Question

Let ​f(x)=8-2x. Find f(-4)

Answer 1

f(-4)=16

Explanation:

since f(x)=8-2x and we are asked to find f(-4),

we plug -4 in for x and we get

`f(-4)=8-2(-4)`

`2*-4=-8`

`8-(-8)=8+8`

`8+8=16`

`f(-4)=16`