What is the name of the process you use to rewrite a quadratic function from standard form into vertex form?

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

See attachment below and find the equivalent of tan(∠qsr)