Unit 4 Function & Relations Practice

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Tags

TEKS.MATH.A.12A

Is this a function?

• Yes, it is a function because it passes the vertical line test.

• No, it is not a function because it fails the vertical line test.

Find y if x = -3 in the function y = 3x + 21.

• 12

• 30

• 11

• -30

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Given y = -2x + 3, find x when y = 23.

• -13

• -10

• 10

• 13

Tags

CCSS.HSF.IF.A.2

Find y if x = -2 in the funciton y = x² + 3

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

Identify the range of the following relation:

• {-6, 14, 2, 28}
• {-6,14, 0, 32, 2, 38, 4,44}
• {-6, 0, 2, 4}
• {14, 32, 38, 44}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which one does NOT represent the y values of a function?

• output

• Range

• dependent

• independent

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is this relation a function?

• Yes, this is a function because each input has only one output.

• No, this is not a function because the input of 1 has two outputs.

Tags

CCSS.8.F.A.1

Find the rate of change

• 1

• 2

• 11

• none of the above

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6