Question

Evaluate the function for x = –2a, if a = 3.





f(x) = –4x + 7






A.


31




B.


–4




C.


99




D.


–17
@Kristen17

Answer 1

First you have to get x. And x=-2a and a=3. So -2(3)=-6
f(x)=-4x+7
Substitute x
-4(-6)-7
24-7=17
....And that's not an answer choice...hmm

Answer 2

so whats the answer @Kristen17

Answer 3

First you have to get x. And x=-2a and a=3. So -2(3)=-6
f(x)=-4x+7
Substitute x
-4(-6)+7
24+7=31 Option A

Answer 4

^^They are right..I messed up

Answer 5

You subtracted instead of adding ........Happens......

Answer 6

Yeah...Right until the last part...oh well I guess

Answer 7

Thanks for correcting me:)

Answer 8

no problem:-)

Answer 9

so what is the answer @oblivion20

Answer 10

@domebotnos @fallenangelorchid