Precalculus Algebra- MAC 1140 Fall 2016 Problem 1. Find the domain of f(x) = . Write it in interval notation. Explain what you do. 3x-5 Problem 2. Graph the function f is given by f(x) = x2-2 if x < 1 X+2 if x > 1 Problem 3. Function f(x) = 2x-1 is one-to-one. Find its inverse f-1 x+3 Problem 4. Let f(x) = 2x-1 and g(x) = 3 . Find (f o g) (x) and its domain. x+3 x+1