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Evaluating function expressions

5 videos
1 skill
This is a super fun tutorial where we'll evaluate expressions that involve functions. We'll add, subtract, multiply and divide them. We'll also do composite functions which involves taking the output of one function to be the input of another one! As always, pause the video and try the problem before Sal does!

Quotient of functions

VIDEO 6:18 minutes
Quotient of functions and factoring by grouping

Sum of functions

VIDEO 2:33 minutes
Sum of Functions

Product of functions

VIDEO 3:00 minutes
Product of Functions

Difference of functions

VIDEO 3:08 minutes
Difference of Functions

Evaluating expressions with function notation

PRACTICE PROBLEMS
Find the value of a function for a given x based on a graph, and perform operations with that value.