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CBA Review

Algebra 1

A: B:

#1Which graph does NOT represent a function?

C: D:

D

A: B: {-9,-4,-1}

#2 What is the range of the function:

C: D:

{-7,-2,0,5}

{-9,-7,-4,-2,-1,0,5} {-1}

B

{-9,-4,1}

A: B: x

#3 What is NOT another term used for

an independent variable?

C: D: Range

Input

Domain

D

Range

A: B:Amount DJcharges per hour

Initial set up fee

#4 The linear function C defined C(h) = 32h + 121

gives the cost (in dollars) to hire a DJ for a school dance for h hours. What does

32 represent in this equation?

C: D:Total cost school pays

Hours DJ worked

A

Amount DJcharges per

hour

A: B:14 hours 8 hours

#5 C(h) = 32h + 121 gives the cost (in dollars) to hire a DJ for a school dance

for h hours.

Your school has budgeted $350 to spend for a disc jockey. Find the maximum number of hours

your school can hire the DJ for the dance.

C: D:7 hours 15 hours

C

7 hours

A: B:

#6 C(h) = 32h + 121 gives the cost (in dollars) to hire a DJ for a school dance

for h hours.

What table represents the cost the DJ can charge?

C: D:h 1 3 5

C 153 217 281

h 1 2 3

C 121 153 185

h 1 2 3

C 121 89 57

h 1 3 5

C 153 185 217

Dh 1 3 5

C 153 217 281

A: B:The number of math clubs registering

The cost of registration

#7 The math club wants to register for a math competition. The total cost of registration is a function of the number

of club members who register for the competition.

What is the independent quantity?

C: D:The range of the function

The output of the function

A

The number of math clubs registering

A: B:YES because there no repeating x values

#8Is the following relation a function? Why?

{ (-1,0), (0,-3), (2, -3), (3,0), (4,5)}

C: D: 55No because there are repeating y values

No because there are repeating x values

YES because there no repeating y values

B

YES because there no repeating

x values

A: B:

#9 Is the relation a function? why?

C: D:

Yes, because there are no repeating inputs

No, because there are repeating inputs

No, because there are no repeating outputs

Yes, because there are repeating outputs

C

Yes, because there are no repeating inputs

A: B: {1,2,3,4,5}

#10 Chris is renting roller blades for $12 a day. The rule for this situation is c = 12t,

where c is the cost in dollars and t the number of days rented.

What is the range if the most he rentsIs for 5 days?

C: D: {12,24,36, 48, 60}

{-1,-2,-3,-4,-5}

{-12,-24,-36, -48, -60}

D

{12,24,36, 48, 60}

A: B: [0,10]

#11 Chris is renting roller blades for $12 a day. The rule for this situation is c = 12t,

where c is the cost in dollars and t the number of days rented.

What is a reasonable domain?

C: D: [-10,0]

[0, )

(- , 0]

B

[0,10]

A: B:6n + 40 6n - 40

#12 Andrea paints houses during her summer vacations. This year, she charged $6.00 per hour to paint plus

$40 for supplies.

State the rule to determine how much she earnsif she paints n hours.

C: D:40n + 6 -40n - 6

A

6n + 40

A: B:Ordered pair dependent

#13

Which of the following isa way functions

can NOT be represented?

C: D:graph table

B

dependent

A: B:{1,2,3} {1,3,5}

#14

What is the Range ofy = 2x + 3

when the Domain is {-1,0,1}

C: D:{5,6,7} No solution

B

{1,3,5}

A: B:f(-2) = - 7 f(-2) = 7

#15

Evaluate y = - x – 5 for f (-2)

C: D:f(-2) = 3 f(-2) = - 3

D

f(-2) = - 3

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