3 years ago

F(x)=-3x^2-6x Find f(−9)

Mathematics

2 answers:

White raven [17]3 years ago

5 0

Answer:

f(-9)= -189

Step-by-step explanation:

f(-9)= -3(-9)^2-6(-9)

f(-9)= -3(-9)^2 +54

f(-9)= -3(81) +54

f(-9)= -243 + 54

f(-9)= -189

Anni [7]3 years ago

3 0

Answer:

Your brain.

Step-by-step explanation:

All you have to do is plug the value of -9 into the equation everywhere you see an 'x' and if you are being asked this question I assume you have basic mathematical skills

You might be interested in

Layla has a points card for a movie theater.

aniked [119]

Answer:

Step-by-step explanation:

3 0

2 years ago

What is 9962 divided by 41

Umnica [9.8K]

The answer is 242.98

6 0

3 years ago

Read 2 more answers

The sales tax on clothing in Louisiana is 4% . Calculate how much tax you need to pay on a dress if it costs $19.50 before befor

SVEN [57.7K]

Answer:

.78 cents

Step-by-step explanation:

To find the tax amount on any number, divide that number by 100 and then multiple it by the tax percentage.

In this case that would look like: $19.50/100 times 4 =.78

3 0

3 years ago

How do you solve the math equation

GalinKa [24]

First of its y-y1 = m(x-x1)
m is the slope, what it is increasing by.
y1 is the y intercept of your pair.
X1 is the x intercept of your coordinate pair, plug them in. If you dont know slope the formula to find it is:
y2-y1/x2-x1

8 0

3 years ago

I need these by today help

yulyashka [42]

Answer:

Step-by-step explanation:

-4, -2, 0, 4, 10

-2.9, -2.83, -2.09, 2.07, 2.56

-3, -1/10, 1/10, 1/2, 7/8

-3, -2, -0.8, -1/10, 1/2, 0.8, 7

this image might help :))