Question

Given f (x) = 2x^2 + 1 and g(x) = 3x – 5 , find the
following
f(g(2))

Answer 1

• 3

Explanation:

Given functions:

• f(x) = 2x² + 1
• g(x) = 3x - 5

Solve in two steps

Find g(2)

• g(2) = 3*2 - 5 = 6 - 5 = 1

Find f(1)

• f(1) = 2*1² + 1 = 2 + 1 = 3