In order to be eligible for a retake you must complete the following Khan Academy Exercises (If your score was <70 they are already sent to you, just check your coach recommendations):

1. Domain and Range from a Graph
2. Domain of a Function
3. Range of a Piecewise Function
4. Find inverses of polynomial, radical, and rational functions
5. Determine if a polynomial is even-odd by its equation
6. Graphs of piecewise nonlinear equations.

Once these are completed you can retake the quiz.