Question

Help pls I’ll give 50 points ! If right math ppl

Answer 1

The answer is -15 or the last option (E)

-Hope this helps

Answer 2

`f(x)=-3x`

Substitute x = 5 in the equation.

`f(5)=-3(5)\\f(5)=-15`

Therefore, the answer is -15 or last choice when x = 5.