Answer:
Option 2
Step-by-step explanation:
I say option to because it is 990
300+12x = 450
or
B. 12x+300 = 450
a).
f(5) = 18
b).
g(-3) = 10
c).
g(x-2) = x²- 3
d).
f(g(x)) = 4x²- 1
52
56+(x+72) =180
180 because it is supplementary
