Question

The zero of F -1(x) in F(x) = x + 3 is

Answer 1

-3

Explanation:

Answer 2

We have

y = F(x) = x + 3

so

x = y - 3

so

F⁻¹(y) = y - 3

which we can write

F⁻¹(x) = x - 3

We solve

0 = F⁻¹(x) = x - 3

x = 3

Answer: 3