Answer:
b
Step-by-step explanation:
3(9+r)
pretty sure that should be it if not then mb
735.84
Search Up Cone Volume Formula
f(x) = x² + 2x - 4
g(x) = 3x + 1
f(g(x)) = f(3x + 1)
f(3x + 1) = [3x + 1]² + 2[3x + 1] - 4
= 9x² + 6x + 1 + 6x + 2 - 4
= 9x² + 12x -1
sorry it won't let me show step by step but your answer is 150x-17
