Question

Evaluate f(x) = x2 + 1 for f(-1)

Answer 1

Answer: -1

Explanation:

to calculate f(-1), you know that x = -1. so all you have to do is substitute:

f(-1) = (-1)2 + 1

f(-1) = -2 + 1

f(-1) = -1

Answer 2

0

Explanation: