Question

State the domain and range for the function, find the inverse, f^(-1)(x), and state the domain and range of the inverse.

1) y = 2x +1

2) y = 2 - 1/x

Answer 1

1) f)x) = 2x + 1
domain = all real numbers , range = same
f^(-1)(x) = ( x - 1) / 2
domain and range is same as f(x)