Question

A(x) = 3x² − 6, find a(-2).

Answer 1

Answer: a(-2) = 6

Explanation:

To solve this question, we will solve the function for -2 by plugging -2 into the function everywhere there is an x variable.

a(x) = 3x² − 6

a(-2) = 3(-2)² − 6

a(-2) = 12 - 6

a(-2) = 6