One-to-One Functions

Each of the problems below is a link. If you click on the problem, it will take you to a YouTube video of a full, step-by-step solution for the problem. You may try these problems as practice and use the videos to check your answer, or you can just watch the videos to see more worked-out example problems.

Determine whether or not f of x = 3x minus 2 is one to one
Determine whether or not g of x = the absolute value of x is one to one
Determine whether or not f of x = x squared is one to one
Determine whether or not g of x = x squared for 0 is less than or equal to x, which is less than or equal to 2, is one to one
Determine whether or not h of x = left paren x minus 3 right paren cubed + 4 is one to one
Determine whether or not h of x = the fraction with numerator 1 and denominator x minus 2, + 3 is one to one