Answer:
A = 50x^2+3
B = 75
C = 55
Step-by-step explanation:

A. f(g(x))

B. g(g(3))

C. g(f(-2))

Answer:
D
Step-by-step explanation:
(-1) + (-1) = -2... so 500 times... it would be -500.
Answer:
x=18
Step-by-step explanation:
done
Answer:
Step-by-step explanation:
M = S+3
W = 2M = 2(S+3) = 2S+6
M+S+W = 89
(S+3)+S+(2S+6) = 89
S = 20