Functions Review

Is the graph pictured a function?

• Yes
• No

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

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

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

• 43

• 139

• -52

• -149

Using the functions f(x)=-4x+11 and g(x)=5x², evaluate g(f(3))

• -10

• 5

• -169

• -5

Which graph represents a function?

• 
• 
• 
• 

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which table does NOT represent a function?

• 
• 
• 
• 

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

What is the domain of the graph?

• y≥1
• x ≥ 1
• All real numbers
• none of these

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of this function?

• All Real Numbers
• -1 ≤ x ≤ 1
• -1 ≤ f(x) ≤ 1
• 2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5