Mid-Unit 1 Review

Which graphs showing the relation between x and y represents y as a function of x? Select all that apply.

• 
• 
• 
• 

The table above shows the number of assignments A Ms. Knight grades each h hours after midnight yesterday.

If A is a function of h, what is the value of A (2)?

• $-123$

• $-79$

• $-45$

• $-2$

Tags

CCSS.HSF.IF.A.2

The table above shows the number of assignments A Ms. Knight grades each h hours after midnight yesterday.

Which statement is true based on the table?

A (2) _________ A (3)

•  $<$  
  

•  $>$  
  

•  $=$  
  

• I don't know

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Ms. Lee's monthly cost of tea is represented by the function

 $T\ \left(c\right)\ =\ 0.75\ c\ -30$  , where c is the number of cups of tea she drinks. 


Fill in part (a) of the table above so that each value in the domain is assigned to the correct value in the range. 

• 0

• 0.75

• 7.50

• 37.50

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Ms. Lee's monthly cost of tea is represented by the function

 $T\ \left(c\right)\ =\ 0.75\ c\ -30$  , where c is the number of cups of tea she drinks. 


Fill in part (b) of the table above so that each value in the domain is assigned to the correct value in the range. 

• 60

• 90

• 100

• 120

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Ms. Lee's monthly cost of tea is represented by the function

 $T\ \left(c\right)\ =\ 0.75\ c\ -30$  , where c is the number of cups of tea she drinks. 


Fill in part (c) of the table above so that each value in the domain is assigned to the correct value in the range. 

• 69.75

• 75.00

• 82.50

• 112.50

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The graph of the function y= f (x) is shown above. Which input value corresponds to f (x) = - 2? Select all that apply

• 
  

  $-2$
  

• $-1$

• $0$

• $1$

• $2$

Tags

CCSS.HSF.IF.A.2

True or false: The relation pictured above is not a function because the input of 7 has two outputs associated with it.

• True

• False

Tags

CCSS.8.F.A.1

If  $g\left(x\right)\ =\ -3x^{2\ }-\ 9$   what is  $g\ \left(-2\right)$  ?

•  $\ -21$  

•  $-17$  

•  $-3$  

•  $12$  

Tags

CCSS.HSF.IF.A.2

Given  $h\left(x\right)\ =\ 7x\ +3$   , determine the value of x when  $h\left(x\right)\ =\ 24$  .

• -1

• 1

• 3

• 5

Tags

CCSS.HSF.IF.A.2