Answer:
B) f(g(x)) = 15x² + 18
Step-by-step explanation:
Plug the entire equation of g(x) in for the x in f(x)
f(g(x)) = 5(3x² + 3) + 3
f(g(x)) = 15x² + 15 + 3
f(g(x)) = 15x² + 18
Answer:
p = 43
Step-by-step explanation:
p + 7 + 3p + 1 = 180
4p + 8 = 180
4p = 172
p = 43