Question

Evaluate the function for x = –2a, if a = 3. f(x) = –4x + 7

Answer 1

someone please helllpppppp!

Answer 2

if a=3 then
\[\large x=-2a=(-2)(3)=-6 \]
so since x=-6
\[\large f(-6)=-4(-6)+7=24+7=31 \]

Answer 3

thank you helps soooo much :D I have another question...
Which of the following does not describe the independent variable?
A.

It is the domain.
B.

It is the y-values.
C.

It is the input.
D.

It is the x-values.

Answer 4

i believe it is D but im unsure

Answer 5

the domain is the set of values the independent variable takes on. the x-values are the input of a fuction which is the independent variable.

Answer 6

so the answer will be a A?

Answer 7

no. A, C and D, describe the same thing

Answer 8

Thank you :)

Answer 9

u r welcome