1. Graph Square Root and Cube Root Functions
Section 6-5
Graph Square Root and Cube Root Functions

2. Parent Functions
𝑓 𝑥 = 𝑥
𝑔 𝑥 = 3 𝑥

3. Example 1 Graph 𝑦=−2 𝑥 , state the domain and range.
Step 1: Use graphing calculator to make a T-Chart. x 1 2 3 4 y -2
-2.8
-3.5 -4
Step 2: Plot points and draw in smooth curve.
Step 3: State domain and range.
Domain:
Range:
𝑥≥0
y≤0

4. Example 2 Graph 𝑦=2 3 𝑥 , state the domain and range.
Step 1: Use graphing calculator to make a T-Chart. x -3 -2 -1 1 2 y
-2.9
-2.5
2.5
Step 2: Plot points and draw in smooth curve.
Step 3: State domain and range.
Domain:
Range:
All Real Numbers
All Real Numbers

5. Homework
Section 6-5
Pages 449 –451
3 - 9, 11, 12,
17 – 20, 29, 36