Given f(x) = 4x2 − 3x + 2 and g(x) = 9x − 5, identify g(f(−2)).

Question

Could use some help with this algebra question. Thank you!

Answer 1

First you calculate f(- 2) = 4·(- 2)² - 3·(- 2) + 2 = 16 + 6 + 2 = 24;

Then g(f(- 2)) = g(24) = 9·24 - 5 = 211.

Answer: g(f(- 2)) = 211

Answer 2