The answer is simple. Since g(x) is already in the equation 9x^3+2x^2, we know that if fg(x))-g(x) must equal f(x). If x-x=0, then 5x^3-7x+4-5x^3-7x+4. Yet if we simplify, we have the answer 8. So your final answer will be 9x^3+2x^2+8.
Answer:
24
Step-by-step explanation:
Base times hight divided by 2
(12.6 x 9.4)/2
