" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
f(x) = x² - 1
g(x) = 2x + 2
(fog)(x)
= f (g(x))
= f (2x + 2)
= (2x + 2)² - 1
= 4x² + 8x + 4 - 1
= 4x² + 8x + 3