Question 1

An absolute value function has vertex  and opens up. Use interval notation to represent the range.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of An absolute value function has vertex ...

Question 2

An absolute value function has vertex  and opens down. Use interval notation to represent the range.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of An absolute value function has vertex ...

Question 3

Use the graph. 
-Estimate any real zeros.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of Use the graph. 
-Estimate any real zeros.
A)...

Question 4

Use the graph. 
-Identify the maximum or minimum output value.
A) minimum: -5
B) minimum: -3
C) maximum: -5
D) maximum: -3
E) none of these

Accepted Answer

The minimum output value is -5 because the output is the result of subtracting 3 from the input, and the smallest possible input is -2, which results in an output of -5.

Question 5

Use the absolute value function 
-Identify the vertex.
A) 
B) 
C)  
D) 
E) none of these

Accepted Answer

The answer of Use the absolute value function 
-Identify the...

Question 6

Use the absolute value function 
-Identify the maximum or minimum output value.
A) minimum: -10
B) maximum: -10
C) maximum: 5
D) minimum: 5
E) none of these

Accepted Answer

The answer of Use the absolute value function 
-Identify the...

Question 7

Use algebra to find any real zeros of the absolute value function 
A) 
B) 
C) 
D) 
E) no real zeros

Accepted Answer

The answer of Use algebra to find any real zeros...

Question 8

Use algebra to find any real zeros of the absolute value function 
A) 
B) 
C) 
D) 
E) no real zeros

Accepted Answer

The answer of Use algebra to find any real zeros...

Question 9

Use algebra to find any real zeros of the absolute value function 
A) 
B) 
C) 
D) 
E) no real zeros

Accepted Answer

The answer of Use algebra to find any real zeros...

Question 10

Use interval notation to represent the range of the absolute value function 
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of Use interval notation to represent the range...

Question 11

A 1200 foot long fence is being painted. After 2 hours, 96 feet has to be painted. Find the average rate of change in the number of unpainted fence per hour.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of A 1200 foot long fence is being...

Question 12

At 5:00 AM the temperature outside was 40 degrees and rose continuously till 3 PM when the temperature was 60 degrees. What was the average rate of change of the temperature in degrees per hour during this time period?
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of At 5:00 AM the temperature outside was...

Question 13

A cell phone plan charges a $29.99 flat fee per month plus $0.10 for each text message sent. Write a linear function that models the cost, , of the plan each month for Number of texts.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of A cell phone plan charges a $29.99...

Question 14

The cost to rent a 10 by 10 storage space is $75 per month plus a nonrefundable deposit of $145. Write a linear function that gives the cost, , of the storage container after Months.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of The cost to rent a 10 by...

Question 15

A new company purchases $42,000 of computer equipment. The equipment decreases in value $600 per year.
-Find a linear equation that models the value, , of the equipment Years after purchase.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of A new company purchases $42,000 of computer...

Question 16

A new company purchases $42,000 of computer equipment. The equipment decreases in value $600 per year.
-Evaluate the function to find the value of the equipment in 3 years.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of A new company purchases $42,000 of computer...

Question 17

A 16-inch candle burns at a rate of 0.20 inches per hour.
-Write a linear function that models the length of the candle, , after Hours of burning.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of A 16-inch candle burns at a rate...

Question 18

A 16-inch candle burns at a rate of 0.20 inches per hour.
-Evaluate the function to find the length of the candle after it has been burning for 10 hours.
A) 13.5 inches
B) 14 inches
C) 13.25 inches
D) 8 inches
E) none of these

Accepted Answer

The answer of A 16-inch candle burns at a rate...

Question 19

A 16-inch candle burns at a rate of 0.20 inches per hour.
-Find the zero of this function.
A) 64 hours
B) 65 hours
C) 70 hours
D) 80 hours
E) none of these

Accepted Answer

The answer of A 16-inch candle burns at a rate...

Question 20

A truck has a 62-gallon gas tank. It gets an average of 10 miles per gallon when driven on the freeway.
-Write a linear function that models the amount of gas left in the tank, , after driving Miles on the freeway.
A) 
B) 
C) 
D) 
E) none of these

Accepted Answer

The answer of A truck has a 62-gallon gas tank....

Quiz 3: Relations and Functions

An absolute value function has vertex and opens up. Use interval notation to represent the range.

An absolute value function has vertex and opens down. Use interval notation to represent the range.

Use the graph. -Estimate any real zeros.

Use the graph. -Identify the maximum or minimum output value.

Use the absolute value function -Identify the vertex.

Use the absolute value function -Identify the maximum or minimum output value.

Use algebra to find any real zeros of the absolute value function

Use algebra to find any real zeros of the absolute value function

Use algebra to find any real zeros of the absolute value function

Use interval notation to represent the range of the absolute value function

A 1200 foot long fence is being painted. After 2 hours, 96 feet has to be painted. Find the average rate of change in the number of unpainted fence per hour.

At 5:00 AM the temperature outside was 40 degrees and rose continuously till 3 PM when the temperature was 60 degrees. What was the average rate of change of the temperature in degrees per hour during this time period?

A cell phone plan charges a $29.99 flat fee per month plus $0.10 for each text message sent. Write a linear function that models the cost, , of the plan each month for Number of texts.

The cost to rent a 10 by 10 storage space is $75 per month plus a nonrefundable deposit of $145. Write a linear function that gives the cost, , of the storage container after Months.

A new company purchases $42,000 of computer equipment. The equipment decreases in value $600 per year. -Find a linear equation that models the value, , of the equipment Years after purchase.

A new company purchases $42,000 of computer equipment. The equipment decreases in value $600 per year. -Evaluate the function to find the value of the equipment in 3 years.

A 16-inch candle burns at a rate of 0.20 inches per hour. -Write a linear function that models the length of the candle, , after Hours of burning.

A 16-inch candle burns at a rate of 0.20 inches per hour. -Evaluate the function to find the length of the candle after it has been burning for 10 hours.

A 16-inch candle burns at a rate of 0.20 inches per hour. -Find the zero of this function.

A truck has a 62-gallon gas tank. It gets an average of 10 miles per gallon when driven on the freeway. -Write a linear function that models the amount of gas left in the tank, , after driving Miles on the freeway.