How to evaluate a function for a given value

The video tutorial reviews the concept of functions, focusing on function notation and evaluation. It provides a step-by-step example of evaluating a function at a specific input, using order of operations to find the output. The tutorial concludes by addressing common issues students may face when evaluating functions.

What is function notation and how is it used in evaluating functions?

Explain the process of evaluating a function at a specific input value.

What steps are involved in using the order of operations to evaluate the function 3 * 3^2 - 1?

How do you determine the value of a function at a given point, such as three in this case?

What is the final value of the function when evaluated at three, and how did you arrive at that conclusion?