Question

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

Answer 1

f(-1) = -3

Explanation:

f(x) =-2x-5

f(-1) = -2(-1)-5 ==> plug in -1 for x

f(-1) = 2-5

f(-1) = -3

Answer 2

Put -1 for x

Evaluate
2-5

Solution
-3