Mathematics High School

Which of the following graphs correctly graph y=4^x
(PICS BELOW!!!) (HURRY)

Answers

Answer 1

Answer:

Thus, the 2nd or lower graph represents the graph of [tex]y\:=\:4^x[/tex].

The correct graph is also attached below.

Step-by-step explanation:

Given the function

[tex]y\:=\:4^x[/tex]

Let us determine the y-intercept by setting x=0, and then determining the corresponding y-value.

now substituting x = 0 in the function

[tex]y=\:4^0\:[/tex]

Apply the rule: [tex]a^0=1,\:a\ne \:0[/tex]

[tex]y = 1[/tex]

Thus, the y-intercept is (0, 1)

Now, if we closely observe the 2nd graph or lower graph, the y-intercept of the lower graph is (0, 1)

Thus, the 2nd or lower graph represents the graph of [tex]y\:=\:4^x[/tex].

The correct graph is also attached below.

Related Questions

5x - 2y = 33
5x + 8y = 18
Solve the simultaneous equations.

x=__
y=__

Answers

Answer:

x=6

y=-3/2

Hope this helps

A banks loan officer writes applications for credit the ratings are normally distributed with a mean of 200 and a standard deviation of 50 fine P 60 the score which separates the lower 60% from the top 40% round to 1 Decimal Pl.

Answers

Answer:

212.7

Step-by-step explanation:

Calculation to Find P60 the score which separates the lower 60% from the top 40%

First step is to find z of 60% using the invNorm distribution

Hence,

z=0.6=0.2533

Now let Find P60 which is the score which separates the lower 60% from the top 40% using this formula

x<=>z

Where,

Standard deviation=50

Mean=200

z=0.2533

Let plug in the formula

x=0.2533*50+200

x=12.665+200

x=212.665

x=212.7(Approximately)

Therefore the score which separates the lower 60% from the top 40% is 212.7

26.25 rounded to the nearest tenth

Answers

Answer: 26.3

Step-by-step explanation:

26.3 because the 5 rounds up the 2 to a 3.

Michelle ordered shirts to sell at the school carnival. She paid $2.80 per shirt, she adds a
150% markup to the total price she paid for the shirts.
What is the selling price of each shirt?

PLEASE HELP!! Any help will be greatly appreciated!

Answers

Answer:

The selling price is $7

Step-by-step explanation:

Step one:

Given information

She paid $2.80 per shirt

She adds a 150% markup to the total price she paid for the shirts

Let us find 150% of $2.80

=150/100*2.8

=1.5*2.8

=$4.2

Hence the selling price is the markup price plus the cost price

=4.2+2.8

=$7

what method is this?

Answers

Answer : nothing
Explaination : “ Nothing Method ” is found by someone in this world

The graph represents function 1, and the equation represents function 2: A graph with numbers 0 to 4 on the x-axis and y-axis at increments of 1. A horizontal straight line is drawn joining the ordered pairs 0, 3 and 4, 3. Function 2 y = 7x + 1 How much more is the rate of change of function 2 than the rate of change of function 1? 5 6 7 8

Answers

Answer:

its 7 i got it right on the test :)

Move each point to the table to show what quadrant it is in when plotted on a coordinate plane.
Quadrant 1 Quadrant II Quadrant II Quadrant IV
(6,-1)
(-3,4)
(2,4)
(-1,-5)

Answers

Answer:

(-3,4) is the right answer i think im not sure nvm im positive that this is the right answer.........i think

Helppppppppppppppppppppppppppp

Answers

It is not a function because -4 in the x position repeats. To be a function all the x’s have to be different

A group of 5 friends want to buy a flat-screen TV for $210. The tax comes to $15. Write and solve a multiplication equation to find how much money each person should pay if each person pays the same amount.

Answers

Answer:

$45

Step-by-step explanation:

In order to create a multiplication equation, we would need to use a single variable that represents the amount that each friend will pay. This can be represented by the variable x. We multiply this variable by the number of friends which should equal the total of the TV with the tax included. Like so...

$210 + $15 = 5x

Now that we have the equation we can go ahead and solve it by adding the total and the tax, and then dividing both sides by 5 in order to isolate x.

$210 + $15 = 5x

$225 = 5x

$45 = x

Finally, we can see that each friend will pay the same amount which is $45

Does anyone know how to do this?

Answers

Answer:

y= Ix-3I (that says absolute value btw)

Step-by-step explanation:

Answer: y = |x-3|

This is the result of starting with y = |x|, then shifting it three units to the right. Replacing x with x-3 moves the xy axis three units to the left, giving the illusion the V shaped curve moved 3 spots to the right.

We don't shift up or down since the vertex is on the x axis.

We also don't vertically compress or stretch the graph either.

Side note: the vertex for this graph is (3,0) which is the lowest point of the curve.

Simplify and solve the equation 1/3x+3=4

Answers

Answer:

X = 1/3

Step-by-step explanation:

Multiply all terms by x and cancel:

+3x=4x

3x+

=4x(Simplify both sides of the equation)

3x+

−4x=4x−4x(Subtract 4x from both sides)

−x+

−

=0−

(Subtract 1/3 from both sides)

−x=

−1

−x

−1

(Divide both sides by -1)

x = 1 /3

Check answers. (Plug them in to make sure they work.)

x = 1 /3

(Works in original equation)

Which object has a GREATER unit rate of change as shown in the graph?

Answers

Answer: A

Step-by-step explanation:

Rewrite the expression using the division symbol and as a fraction. The quotient of m and 11

Answers

M÷11 M/11

Step-by-step explanation:

when you find the quotient you divide so when you divide with a fraction you take what number you were given first and out it on top of the number you were given second

Helpppp fasttt!!!!!!!!

Answers

Answer:answer is the first one

Step-by-step explanation:

Collect like terms such as grouping the t and s variables together. The -3 should be included in the equation. Solution in pic below.

When graphing on the complex plane , which quadrant will the complex number 10 - 13i be found in ?

Answers

Answer:

The complex number would be in the 4th quadrant.

Step-by-step explanation:

We know that a complex number is a number that can be expressed in the form of a + bi,

where

'[tex]a[/tex]' and b are real numbers, and '[tex]i[/tex] represents the imaginary unit

Given the complex number

10 - 13i

Here,

Coefficient of the real part of the complex number = 10Coefficient of the imaginary part of complex number = -13

As the coefficient of the imaginary part holds a negative sign, and the real part holds a positive sign.

Thus, the complex number would be in the 4th quadrant.

A construction worker places a compass at various positions on a wall until the compass needle deflects to one direction. What is the worker most likely using a compass to find

Answers

Answer:

Sources of electrical current

Step-by-step explanation:

Based on the information given the reason why

He/ She places a compass at different positions on a wall until the compass needle change to a direction was because the construction worker

was most likely using the compass to find the Sources of an ELECTRICAL CURRENT or where the ELECTRICAL CURRENT originated from reason been that ELECTRICAL CURRENT is the movement of electric charge from cathode to anode .

Answer:

D. Sources of electrical current

Step-by-step explanation:

I just took the test

Which table represents a linear function?

Answers

The one on the top is the answer

Answer:

the bottom table (1,-5)

Step-by-step explanation:

the equation is y=5x-10

the equation has no multiple powers involved like cubed or squared

Question 5 please help out

Answers

Answer is B because square root of 55 is 7.41

Answer:

Step-by-step explanation:

try typing into ur calc. that is the answr u get!!

Hope this helps!! Pls mark me brainliest!!

write a linear function f with the values f(-2)=8 and f(1)=-10

Answers

Answer:

The linear function f(x) = -6x - 4

Step-by-step explanation:

The equation of the linear function f(x) is y = m x + b, where

y = f(x)m is the slope of the line represents the functionb is the y-intercept ⇒ value y at x = 0

The rule of the slope is m = [tex]\frac{y2-y1}{x2-x1}[/tex] , where

(x1, y1) and (x2, y2) are two points on the line

∵ f(x) = y ⇒ is the function of the set of ordered pairs (x, y)

∴ f(-2) = 8 is the point (-2, 8)

∴ f(1) = -10 is the point (1, -10)

∴ x1 = -2 and y1 = 8

∴ x2 = 1 and y2 = -10

→ Substitute them in the rule of the slope to find it

∵ m = [tex]\frac{-10-8}{1--2}[/tex] = [tex]\frac{-18}{1+2}[/tex] = [tex]\frac{-18}{3}[/tex]

∴ m = -6

→ Substitute it in the form of the equation above

∵ y = -6(x) + b

∴ y = -6x + b

→ To find b substitute x by 1 and y by -10

∵ x = 1, y = -10

∴ -10 = -6(1) + b

∴ -10 = -6 + b

→ Add 6 to both sides

∵ -10 + 6 = -6 + 6 + b

∴ -4 = b

∴ b = -4

→ Substitute it in the equation

∴ y = -6x + -4

∴ y = -6x - 4

∵ y = f(x)

∴ The linear function f(x) = -6x - 4

If the fifth term in a geometric sequence is 1∕27 and the common ratio is 1∕3, find the explicit formula of the sequence.
Question 18 options:

A)

an = (1∕3)n – 1 for n ≥ 1

B)

an = (1∕27) ⋅ (1∕3)n – 1 for n ≥ 1

C)

an = (3) ⋅ (1∕3)n – 1 for n ≥ 1

D)

an = (3) ⋅ (3)n – 1 for n ≥ 1

Answers

Answer:

Step-by-step explanation:

Which expression has the same value as -18\(-9)?
-18\2
-12\(-3)
-10\5
-8\(-4)

Answers

Answer:

Step-by-step explanation:

Well -8/-4 is 2 so that is the same

Please help!!!
Find the value of x for which l || m.

Answers

Answer:

i can't see the pic clearly

Step-by-step explanation:

Trey takes the angle shown, places the point of his compass on S, and draws an arc with an arbitrary radius intersecting the rays of the angle at P and R. Trey claims that as long as he draws two more arcs by placing the needle of his compass on P and then on R, drawing a ray from S through the point at which the arcs intersect, he will be able to bisect ∠S. Is Trey correct?

A. Trey is correct. Since the initial arc was drawn with the point of the compass on S, RS=PS.

B. Trey is not necessarily correct. He will need to ensure that the compass width remains the same for each arc drawn from P and R.

C. Trey is correct. Since the compass is placed on the points P and R to draw the remaining two arcs, the ray drawn through their intersection will bisect the angle.

D. Trey is not necessarily correct. He will need to ensure that the distance from S to P and the distance from S to R are equal.

Answers

Answer:

because he isnt fight nor wrong

Step-by-step explanation:

The answer is B

PLEASE MARK BRAINLIEST

hope this helps! !

Please I really need help

Answers

Answer:

Extreme fitness: y=10x+50

Ultimate fitness:y=15x+30

Step-by-step explanation:

Plz plz help plz plz I’ll give brainlist

Answers

Answer: 10

Step-by-step explanation:

hope this helps!

Answer 2 2/19

there is you answer

WILL MARK BRAINLIEST
One side of a triangle is twice as long as a second side. The remaining side is 3 larger than the second side. The perimeter is 39m. Find the length of each side.

Answers

Answer:

Lengths all the three sides are 9m, 18m and 12m

Step-by-step explanation:

Let us assume the length of the second side to be x m

According to the question:

first side = 2x

third side = x + 3

Applying the formula of perimeter:

Perimeter = length + breadth + height

39 = 2x + x + (x + 3)

39 = 2x + x + x + 3

39 = 4x + 3

39 - 3 = 4x

4x = 36

x = [tex]\frac{36}{4}[/tex]

x = 9

length of the first side (x) = 9 m

length of the second side (2x) =2 × 9 =18 m

length of the third side (x + 3) = 9 + 3 = 12 m

∴ lengths all the three sides are 9m, 18m and 12m

The Steelers beat the Seahawks by 10 points. The total points scored between both teams was 44. How many points did the Seahawks have?

Answers

Answer:

steelers had 27

Step-by-step explanation:

Yusef drove 130 miles in 2.5 hours. Which equation can be used to calculate r, the average speed at which Yusef drove?
A.
r=130−2.5

B.
130=r2.5

C.
r=1302.5

D.
130=r+2.5

PLEASE HELP! ITS FOR A TEST!!

Answers

Answer:

Step-by-step explanation:

It's B my guy

Answer:

B.)

Step-by-step explanation:

r= 130/2.5

130=r2.5

it would be 52 because you have to divide.... so you would divide 130 by 2.5 and then you would get 52. hope this helps.

Drake needs to drill holes in a wooden plank. The holes will have a diameter of 0.5 millimeters, with an error allowance of 0.05 millimeters. Which equation can be used to find the minimum and maximum acceptable diameters?

Answers

Answer:

|x − 0.5| = 0.05

Step-by-step explanation:

Here x represents the diameter,

Since, an error of 0.05 millimeters is allowance in diameter,

Thus, the maximum acceptable diameter = x + 0.05,

And, the minimum acceptable diameter = x - 0.05

According to the question,

The holes will have a diameter of 0.5 millimeters,

Thus, x - 0.05 < 0.5 and 0.5 < x + 0.05

⇒ x - 0.5 < 0.05 and x - 0.5 > - 0.05

⇒ x - 0.5 < 0.05 and -(x -0.5) < 0.05

⇒ |x-0.5| < 0.05

⇒ Option D is correct.

Feliks joins a local recreation center to play basketball the reception charges $20 annual fee plus additional $15 per month for the usage of the basketball courts Feliks prepays by writing a check for 3185 for how many months did he prepays for

Answers

Answer:

211 months

Step-by-step explanation:

Let the number of months that he prepays for be represented by m

Hence, we have the equation

$20 + $15 × m = $3185

Hence:

20 + 15m = 3185

Collect like terms

15m = 3185 - 20

15m = 3165

m = 3165/15

m = 211 months

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Which of the following graphs correctly graph y=4^x (PICS BELOW!!!) (HURRY)

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Which of the following graphs correctly graph y=4^x
(PICS BELOW!!!) (HURRY)