ALGEBRA 2 HONORS

6.5 Graph Square Root & Cube Root

Functions

Parent Functions for Cube Root Functions

The parent function for the family of cube root functions is g(x) Domain & range: all real numbers

Example:Graph and state the domain and range.

Example:Graph and state the domain and range.

3

2

3xy

Example:Graph and state the domain and range.

Example:Graph and state the domain and range.

Example:Graph and state the domain and range.

Example:Graph . Then state the domain and range. 423 xy

Example:

Biologists have found that the shoulder height h (in centimeters) of a male African elephant can be modeled by , where t is the elephant’s age (in years).

Use a graphing calculator to graph the model. Estimate the age of an elephant whose shoulder height is

200 centimeters.

8.755.62 3 th

QUESTIONS?