Answer:
C 30
Step-by-step explanation:
g(t) = t^2-t
f(x) = 1+x
g(f(2)+3)
First find f(2)
f(2) = 1+2 = 3
g(f(2)+3) = g(3+3) = g(6)
g(6) = 6^2-6
=36-6
= 30