Question

If f(x) = -2x + 1, find f(-6).

Answer 1

to get f(-6),put x=-6,like this
-2(-6)+1
can u sove further?

Answer 2

Hint: Substitute x=-6 into the equation

Answer 3

answer is 13

Answer 4

@Coax ,did u get the answer as 13?

Answer 5

Yes, thank you. I'm helping my cousin with Algebra. Told the chap it was 13, but he wanted a "professional" elucidation.