Square root and Cube root functions

What is an example of a square root function?

• f(x) = 3x+2

• f(x) = 3^x+3

• f(x) = √x +3

• f(x) = 0

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

What is the domain of √x + 3 (3 is outside the square root)?

• x is greater than or equal to 3

• x is greater than or equal to -3

• x is less than of equal to 0

• x is greater than or equal to 0

What is the range of 3√x+5 (5 is inside the radical)

• x is greater than or equal to 5

• x is greater than or equal to 3

• x is less than or equal to 5

• x is greater than or equal to -5

What is the graph of f(x) = √x+2 (2 is inside the radical)

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Tags

CCSS.HSF-IF.C.7B

What is the graph of √x -2 (2 is outside the radical)

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Tags

CCSS.HSF-IF.C.7B

What is the range of 3√x+2 (2 is inside the radical)

• x is greater than 2

• x is greater than -2

• x is less than 2

• I don't know.....Hmmm......

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is a cube root function?

• A radical equation with an index of 3

• A radical equation with a radicand of 3

• A radical function with an index of 3

• A radical function with an index of -3

Tags

CCSS.HSF-IF.C.7B

What is the parent function of a cube root function?

• f(x) = cube root of x

• f(x) = cube root of 3

• f(x) = cube root of 3x

Tags

CCSS.HSF-IF.C.7B

The range of a cube root function is always 0

• True

• False

• Sometimes

Tags

CCSS.HSF-IF.C.7B

What is the domain of a cube root function?

• All real numbers

• Greater than or equal to all real numbers

• greater than or equal to 0

• All real solutions

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5