Question

Sendo f(x)= 2x+1 e g(x)= x²-1, determine:
a)f(g(0))
b) g(f(2))
c) f(f(-1))
d) g(g(-2))

Answer 1

a) g(0) = 0^2-1 = -1
f(-1) = 2x(-1)+1 = -1