Functions Review

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which graph represents a function?

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Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which table does NOT represent a function?

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Tags

CCSS.8.F.A.1

Determine whether the relation shown here is a function. Explain your answer.

• function, an input has 1 output

• function, an input has 2 different outputs

• function, no output has 2 different inputs

• not a function, an input has 2 different outputs

Tags

CCSS.8.F.A.1

Which equation matches the table?

• y = x - 3

• y = x + 3

• y = 4x - 3

• y = 4x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What has the GREATER rate of change.

• y = 7x + 10

• Someone who starts with $6 and gets $8 each day.

• y = 5x + 20

• Someone who starts with $8 and gets $6 each day.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Evaluate f(-4) for the function f(x)=3x²-5

• f(-4) = 43
• f(-4) = 139
• f(-4) = -52
• f(-4) = -149

Tags

CCSS.HSF.IF.A.2

What is the domain of the pictured graph?

• x<0
• x>0
• x<3
• x>3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• Function
• Not a Function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1