Question

F(-12) if f(x) = 2x + 15

Answer 1

Answer:
`f(-12)=-9`

Explanation:

We have the following function:

`f(x)=2x+15`

And we have to evaluate it when
`x=-12`, this means we have to substitute
`x` by
`-12`:

`f(-12)=2(-12)+15`

Solving:

`f(-12)=-24+15`

Finally:

`f(-12)=-9`