Question 1

Which of the following is the range of the function
 ?

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The answer of Which of the following is the range...

Question 2

Evaluate   if

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The answer of Evaluate   if ...

Question 3

Does the following figure show an accurate graph of   ?

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The answer of Does the following figure show an accurate...

Question 4

ComGas, the Cambridge power company, charges its customers $7.77 a month, plus an additional $0.99 per therm up to 37 therms and $0.69 per therm above 37 therms. (A therm is a unit of gas supplied.) L
Be the monthly cost in dollars for using x therms. Which of the following is the formula for C?

Accepted Answer

The answer of ComGas, the Cambridge power company, charges its...

Question 5

A T-shirt printing company charges a set-up fee of $10 for each order, plus the cost per shirt shown in the table.  Let C be the total cost in dollars for printing n shirts. Which of the following is the formula for C?

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The answer of A T-shirt printing company charges a set-up...

Question 6

Graph the function:

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The answer of Graph the function:  ...

Question 7

Write a formula for the following function:

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The answer of Write a formula for the following function:...

Question 8

Use the definition of absolute value to write a piecewise formula for  
.

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The answer of Use the definition of absolute value to...

Question 9

Let  . Evaluate:

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The answer of Let  . Evaluate:
...

Question 10

A supermarket only sells cans of soda in 6-packs. The price of a 6-pack is $1.40. Let   be the total cost if you need x cans of soda. What is  ?

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The answer of A supermarket only sells cans of soda...

Question 11

In the following graph, is m a function of n?

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The answer of In the following graph, is m a...

Question 12

Fred's cell phone company charges $50 per month and $0.35 for each minute (or part of a minute) over 120 minutes. 
a) Write a formula for the company's policy.
b) How much is Fred's cell phone bill for the month if he talks for 158 minutes.

Accepted Answer

The answer of Fred's cell phone company charges $50 per...

Question 13

Fred's cell phone company charges $55 per month and $0.45 for each minute (or part of a minute) over 115 minutes. Which of the following is the domain of the function?

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The answer of Fred's cell phone company charges $55 per...

Question 14

Which of the following is a piecewise formula for the function

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The answer of Which of the following is a piecewise...

Question 15

Let   
.
a) What is the domain of  ?
b) What is the range of  ?

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The answer of Let   
.
a) What is the...

Question 16

Let  .

.

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The answer of Let  .

....

Question 17

For , what is  ?

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The answer of For , what is  ?
...

Question 18

Assume that height is a function of age and that Is the average height (in inches) for females in the US at age a years. What is the practical interpretation  ?

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Question 19

Which of the following is a piecewise defined function for  ?

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Question 20

Find a formula for the following graph:

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The answer of Find a formula for the following graph:
...

Quiz 2: Functions

Which of the following is the range of the function ?

Evaluate if

Does the following figure show an accurate graph of ?

ComGas, the Cambridge power company, charges its customers $7.77 a month, plus an additional $0.99 per therm up to 37 therms and $0.69 per therm above 37 therms. (A therm is a unit of gas supplied.) Let Be the monthly cost in dollars for using x therms. Which of the following is the formula for C?

A T-shirt printing company charges a set-up fee of $10 for each order, plus the cost per shirt shown in the table. Let C be the total cost in dollars for printing n shirts. Which of the following is the formula for C?

Graph the function:

Write a formula for the following function:

Use the definition of absolute value to write a piecewise formula for .

Let . Evaluate:

A supermarket only sells cans of soda in 6-packs. The price of a 6-pack is $1.40. Let be the total cost if you need x cans of soda. What is ?

In the following graph, is m a function of n?

Fred's cell phone company charges $50 per month and $0.35 for each minute (or part of a minute) over 120 minutes. a) Write a formula for the company's policy. b) How much is Fred's cell phone bill for the month if he talks for 158 minutes.

Fred's cell phone company charges $55 per month and $0.45 for each minute (or part of a minute) over 115 minutes. Which of the following is the domain of the function?

Which of the following is a piecewise formula for the function

Let . a) What is the domain of ? b) What is the range of ?

Let . .

For , what is ?

Assume that height is a function of age and that Is the average height (in inches) for females in the US at age a years. What is the practical interpretation of ?

Which of the following is a piecewise defined function for ?

Find a formula for the following graph: