Functions

What is domain?

• All X values

• All Y values

• A function

• Not a function

Find the range for the following {(4,-3) (5, 3) (9, 0) (8, -3)}

• {-3, 3, 0, -3}

• {4, 5, 9, 8}

• {-3, 0, 3 }

• {4, 3}

Is { (2, 3), (1, 3), (0, -5) (9, -5)} a function?

• Yes

• No

Is { (2, 0), (-4, 3), (-4, -5) (9, 2)} a function?

• Yes

• No

Evaluate f(x) = x² + 5 for f(4)

• 16

• 21

• 11

• 5

Evaluate f(x) = x² + 5 for f(-4)

• -11

• 5

• -21

• 21

Evaluate g(x) = x² + 2x -3 for g(-2)

• (-2, -3)

• (-2,-11)

• (-2, 11)

• (3, 11)

Evaluate g(x) = 2x + 5 for g(x) = 15 (HINT: X is NOT 15, Y is)

• (15, 5)

• (35, 15)

• (5, 15)

• (15, 35)

Function or not

• function

• not a funtion

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

• Function

• Not a function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5