Question

I only need help with question 4, thank you​

Answer 1

Answer:

$2 x ^{3} + 8x - 5$

Step-by-step explanation:

(h • g) (-5)

first we can isolate the first part

(x^2 +4) • (2x) = 2x^3 + 8x

then we just add the -5

2x^3 + 8x - 5