Functions Review

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

• g(f(3))=-10
• g(f(3))=5
• g(f(3))=-169
• g(f(3))=-5

Tags

CCSS.HSF-BF.A.1C

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

• g(-3)*f(4)=5,520
• g(-3)*f(4)=225
• g(-3)*f(4)=-225
• g(-3)*f(4)=-1,125

Tags

CCSS.HSF.IF.A.2

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?

• y cannot equal 2
• x cannot equal 2
• y cannot equal 0
• x cannot equal 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which graph represents a function?

• 
• 
• 
• 

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.IF.A.1

What is the increasing interval for the function below?

• $\left(-\infty,\infty\right)$

• $\left(-\infty,2\right]$

• $\left(-\infty,6\right]$

• $\left(-6,6\right)$

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is/are the decreasing interval(s) for the function shown?

•  $\left(2,\ 4\right)\ and\ \left(8,\ \infty\right)$ 

•  $\left(-\infty,\ 1\right)\ and\ \left(8,\ \infty\right)$ 

•  $\left(-\infty,1\right),\ \left(-3,\ 1\right)\ and\ \left(8,\ \infty\right)$ 

•  $\left(-\infty,\ 1\right),\ \left(2,\ 4\right)\ and\ \left(8,\ \infty\right)$ 

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.D.10