Question

Find f^-1,f^-1(-8), and (f^-1. f)(4) for the given function.

Answer 1

f is defined as

• f(4) = -8

• f(-7) = -1

• f(-5) = -4

This means the inverse is defined as

• f ⁻¹(-8) = 4

• f ⁻¹(-1) = -7

• f ⁻¹(-4) = -5