Question

G(n)=n^2-4
h(n)=4n+5
find g°h

Answer 1

Answer: g(4n+5) = 16n^2 + 40n + 30

Explanation:

g(n)=n^2-4

h(n)=4n+5

find g°h

g°h is g(4n+5) = (4n+5)^2 + 5

g(4n+5) = (16n^2 + 40n + 25) + 5

g(4n+5) = 16n^2 + 40n + 30