Evaluate the function.
f(x) = -3x2 – 20
Find f(-9)

Answers

Answer 1

Answer:

-3(-9)-20=7

Step-by-step explanation:


Related Questions

Noah ordered 16 cupcakes and paid $40. Jada ordered 52 cupcakes and paid $104. Did they pay the same rate?

Answers

No

Reason: 40 divided by 16 is 2.5 and 104 divided by 52 is 2, so noah would have paid 5 cents more
no they didn’t,

16 x 2 = 52 cupcakes

$40 x 2 = $80

Jada did NOT pay the same rate, she payed $24 more that Noah

Which of these is NOT a major organ of the circulatory system?*
O heart
veins
capillaries
O arteries
O lungs

Answers

Answer:

Lungs im pretty sure

Answer:

Lungs are not part of the circulatory system. They're part of the respiratory system

Step-by-step explanation:

javier rounded to the nearest half to estimate the product of 3 2/5 and -3 7/8. how to the estimate and the actual product compare

Answers

Answer “B”

Step-by-step explanation: The actual product is greater than the estimate. The numbers differ by less than one.

The newspaper, The constellation, printed in 1859, had width 20 in and length 35 in. What was the perimeter? What was the area?

Answers

Answer:

110 in.

Step-by-step explanation:

newspapers have four sides because it is a square

one side is parallel to the other side.

so

20 × 2 for the width

35 × 2 for the height

20 × 2 = 40

35 × 2 = 70

add together for the perimeter.

40 + 70 = 110 in.

you could also...

20 + 35 + 20 + 35 = 110 in.

You had $21 to spend on three pens .After buying them you had $12 how much did each pen cost

Answers

I thinks it’s 3 because 21-12=9 so you spent 9 dollars 9/3=3

(3,4)(4,-3)(7,4)(3,8)
Is it a function ?

Answers

Answer:

yes

Step-by-step explanation:

Can someone help me find the scale factor and the missing sides please?

Answers

Answer:

x = 6, y = 45

Step-by-step explanation:

[tex]scale \: factor = \frac{13}{32.5} \\ = \frac{2}{5} \\ \\ \frac{x}{15} = \frac{18}{y} = \frac{2}{5} \\ \\ \implies \frac{x}{15} = \frac{2}{5} \\ \\ x = \frac{2 \times 15}{5} \\ \\ x = 6 \\ \\ \frac{18}{y} = \frac{2}{5} \\ \\ y = \frac{5 \times 18}{2} \\ \\ y = 45[/tex]

How many angles are there?

Answers

Answer:

There are 7 angles.

Step-by-step explanation:

Find the four consecutive odd integers whose sum is -324

Answers

Answer:

x ,x+2, x+4, x+6 it mst b it

please help me with this ​

Answers

Answer:

C) [tex] {6}^{6} [/tex]

Explanation:

[tex] \frac{ {6}^{9} }{ {6}^{3} } = {6}^{9 - 3} = {6}^{6} [/tex]

Tameca already has $55 dollars in her savings account. If she puts $5 per week in her account, write and solve an inequality to find out how many weeks she must save to have at least $100 in her account.

Answers

Answer:

9 weeks

Step-by-step explanation:

5 x 9 = 45

45 + 55 = 100

Answer:

55 + 5x ≥ 100.

5x ≥ 45.

Step-by-step explanation:

write the first equation shown above first, then subtract 55 from 55 and 55 from 100. do not use 0 later on in your equation! 100 - 55 = 45. then write the second equation. after you write the second equation, divide 5 by 5 and 45 by 5. do not use 0 later on in your equation! 45 divided by 5 = 9. she must save for 9 weeks. i hope this works! here is a picture of my work to help you understand it better! <3 it’s kind of blurry, but if you focus enough it’s easier to read.

this is 8th grade math and i dont understand it

Answers

The answer is W. The y -intercept of a graph is the point where the graph crosses the y -axis.

What expression is equivalent to x2 - 49?
OA (x - 72
O B. (x + 7)2
OC. (x+7)(x-7)
D. (x+7)(7 - x)

Answers

Answer:

the answer to that is letter C. (x+7)(x-7)

You are a contractor and charge $65 for a site visit plus an additional $15 per hour for each hour you spend working at the site. Write and solve an equation to determine how many total hours you have to work to earn $950 working at two separate work sites.

Answers

Answer:

54.6 hours

Step-by-step explanation:

65x2 is 130 130-950 is 820 then 820 divided by 15 is 54.6 therefore meaning you have to work 54.6 hours to get 950$ you can check this by doing 54.6x15+130, might not be exact because i rounded to the nearest tenth.

Hope this helps!

if your gross pay was $365 and your net pay was $313.90 what percent of your pay went towards deductions

Answers

I believe it would be 15%

f(x) = x2+9 g(x) = X-9 Find f(x)-g(x).​

Answers

Answer:

Hi there

Your answer is

x^2 -x +18

Step-by-step explanation:

( x^2 + 9 ) - (x-9)

x^2 + 9 -x +9

x^2 -x +18

A rectangle’s width is 8 inches long. If the length is 3 times the width, what is the perimeter of the rectangle?

Answers

Answer:

the perimeter is 64

Step-by-step explanation:

the length is 24 because 8*3 = 24 and since it is perimeter  of a rectangle there are two sides that are the same length which  is the length are 24+24 and width is 8+8 and all together

24+24+8+8=64

Graph the linear function described by the equation
y = -3x - 2.
Step 1: Identify the slope and y-intercept.
slope =

Answers

The slope of given line is -3 and the y-intercept of the line is -2.

What is Straight Line?

A straight line is an infinite length line that does not have any curves on it. A straight line can be formed between two points also but both the ends extend to infinity.

Here, we know that slope intercept form of straight line;

            y = mx + c

Given equation;

          y = -3x - 2

compare this equation with general equation, we get

    m = -3 and c = -2

Thus, The slope of given line is -3 and the y-intercept of the line is -2.

Learn more about Straight line from:

https://brainly.com/question/27560536

#SPJ1

Answer:

Graph the linear function described by the equation

y=-3x-2

Step 1: Identify the slope and y-intercept.

slope =

Step-by-step explanation:


Exhibits
If the measure of b is 85 degrees, what must be the measure of d? Explain.
Math symbols

Answers

Answer:

d = 95

Step-by-step explanation:

b and d are a linear pair, so the sum of their measures is 180 deg.

b + d + 180

85 + d = 180

d = 95

Answer:

If the measure of b is 85 degrees, what must be the measure of d?

Step-by-step explanation:If the measure of b is 85 degrees, what must be the measure of d?

if 9/24 = 3/x then x is what?

Answers

Answer:

24

Step-by-step explanation:

Answer:

x=8

Hope this helps! Please mark Brainliest!

Please hurry!! (But no rush, thank you)

Answers

Answer:

The answer is d 3 to the power of 108

Answer:

c

Step-by-step explanation:

:) srry if its wrong

Can someone help with this question

Answers

Answer:

I got 3 i plugged the equation into a graphing calculator so C

Step-by-step explanation:

HELP PLEASE SIXTH GRADE GUYS

Answers

Answer:

-3

Step-by-step explanation:

The answer would be -3.

Which ones better? How much more r u saving?

Answers

Answer:

2 L bottle for 1.69

the unit price for the two liters is cheaper than one for 12 pack

Select all input values for which f(x)=6
Choose all answers that apply:
a) x=-7
b) x=-5
c) x=2
d= none of the above

Answers

Answer: none of the above

Step-by-step explanation: there is no such input value.

Answer:

None of the above because none of the other answers make sense

Step-by-step explanation:

Tabby is building two models of the Eiffel Tower. The scale factor of Model 2 to Model 1 is
is 1
Some of her measurements are shown in the table.
Enter numbers in the boxes to complete the table.
Eiffel Tower
Model 1
Model 2
(feet)
(inches)
(inches)
Height
984
11.808
Width of
328
Base

Answers

Complete question :

Tabby is building two models of the Eiffel Tower. The scale factor of Model 2 to Model 1 is 1/4

____________Eiffel Tower(ft) _ M 1 (in) _M2 (in)

Height _______ 984 ______11.808 ____?

W of base ____ 328 _______? _______?

Answer:

Model 1 :

Width of Base = 328 * 0.012 = 3.936 inch

Model 2 :

Height = 11.808 * 4 = 47.232 inches

Width of base = 4 * 3.936 = 15.744 inches

Step-by-step explanation:

____________Eiffel Tower(ft) _ M 1 (in) _M2 (in)

Height _______ 984 ______11.808 ____?

W of base ____ 328 _______? _______?

Scale factor of Model 2 to Model 1 is 1/4

Model 1 : Model 2

1 : 4

The scale factor of actual tower to model 1

984ft = 11.808 inches

Hence,

1 ft = 11.808 / 984

1 ft = 0.012 inch

Model 1 :

Width of Base = 328 * 0.012 = 3.936 inch

Since ;

Model 1 : Model 2 ; 1 / 4

1 : 4

Model 2 :

Height = 11.808 * 4 = 47.232 inches

Width of base = 4 * 3.936 = 15.744 inches

Which of the following is an example of a linear equation in slope intercept form?

Answers

a. slope intercept form is y=mx+b so the slope is 4 and y intercept is -5.

Write the equation of the line perpendicular to y=4x+2 and passes though the point (1,1). PLZ HURRY!

Answers

Answer: Y= -1/4x + 1 1/4

Step-by-step explanation: Perpendicular means the slope will be negative reciprocals

Which of the following expressions is not equivalent to -4.5 • -8?
A) (8)(-4.5)
B) 8.4.5
C) -8.-4.5
D) (4.5)(8)

Answers

Answer: (8)(-4.5)

Step-by-step explanation: If you were to multiply -4.5 • -8 it would be a positive number but if you multiply (8)(-4.5) that would equal a negative number

Is 2,710,506 divisible by 8? ​

Answers

Answer:

no

Step-by-step explanation:

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