Question

Given f(x)=-2x+5, find f (-1)

Answer 1

3

Explanation:

Plug -1 into the function f(x):

`f(x)=-2x+5 \\f(-1)= (2)(-1) + 5`

And solve:

`f(-1)=-2+5 \\f(-1) = 3`

So, f(-1) is 3.