Question

Given g (n) = 3n + 2, f (n) = 2n^2 + 5

Find g (f (2))

a)8
b)41
c)133
d)21

Answer 1

g(f(2)) = 41

b)41

Explanation:

g(f(2)) = 41

f(2)= 2(2²) + 5 = 13

So g(f(2)) → g(n = 13)

g(n = 13)→ 3(13) + 2 = 41