Function Operations Radical Function Unit Test Date Wednesday

Function Operations & Radical Function Unit Test Date: Wednesday, February 4 th Unit Objectives: • • Perform function operations: add, subtract, multiply & compose Find the inverse of a function: algebraically & graphically Identify function attributes: domain and range Graph radical functions Today’s Objective: I can perform operations with functions.

You want to buy a sofa that has already been marked down by $100. The furniture store may add the 5% sales tax before applying the additional discount, or it may add the sales tax after applying the additional discount. Which way is better for you, the customer? How much better?

Function Operations: + and − Functions: All real numbers Domain: Addition: Subtraction: Domain: from both functions All real numbers All real numbers

Functions: Domain: All real numbers Division: Multiplication: All real numbers All real numbers

Function f(x) Input is x Functions: Output f(x) Function g(x) Input is f(x) Output g(f(x))

Function f(x) Input is x Output f(x) Functions: Function g(x) Input is f(x) Output g(f(x))

Perform each operation Pg. 401 #9 -75 by 3 s