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 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

Is the graph pictured a function?

• Yes
• No

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is the graph pictured a function?

• Yes
• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

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

Using the graph, find the average rate of change at which this person was traveling. 

• 80 miles per hour
• 40 miles per hour
• 20 miles per hour
• 160 miles per hour

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the domain of the given function y=5x+10?

• All real numbers except 5
• x>10
• All real numbers
• y>10

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

Does the following graph have a maximum or minimum.

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

f(x) = 4x + 1 and g(x) = 4x - 3
Find f(x) * g(x)

• 16x² + 8x - 3
• 16x² - 8x + 3
• 16x² - 8x - 3
• 16x² - 16x - 3

Tags

CCSS.HSF-BF.A.1B