Stanford University Radical Functions and Rational Exponents Questions

Radical Functions and Rational Exponents:

Describe the relationship of input and output values for composite functions.

Explain how you know if a radical expression is in simplest form.

Probability and Statistics:

Identify the type of sampling method used. A trucking company places their office phone number on the back of all of their vehicles to receive comments on how well their employees are driving.

Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not have bias?