6.5 Graph Square Root and Cube Root
Functions
Domain:
Range:
Graph the function y = √x .
x
y
Domain:
Range:
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Examples: Graph each function. Then state
the domain and range.
1.) y = 2√x
2.) y = √x + 2
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1
3.) y = √x+2
4.) y = -√x
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5.) y = 2(x - 1)1/2 + 3
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2
Graph the function y = ∛x .
x
Y
Domain:
Range:
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Examples: Graph each function.
Then state the domain and range.
1.) y = ¼∛x
2.) y = 2∛x - 2
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3
3.) y = -2(x + 5)1/3 + 5
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Examples: Find the domain and range
without graphing. Explain.
1.) y = √x + 5
2.) y = ½∛x + 4
3.) y = 6√x - 4 - 6
4.) y = -8√x + 4 + 5
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4