Perform the indicated operation - Show Work Please! Thx

Question

g(x) = 2x

h(x) = x^2 + 4

Find g(h(2y))

 

Final Answer is meant to be 8y^2 + 8

Answer 1

h(2y) = (2y)²+4 = 4y²+4

 

So, g(h(2y)) = 2(4y²+4) = 8y²+8