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Real Life Slope Intercept

Last updated about 6 years ago

4 questions

1

1

1

1

Question 1

1.

A company that manufactures radios first pays a start-up cost, and then spends a certain amount of money to manufacture each radio. If the cost of manufacturing r radios is given by the equation
c= 5.25r + 125, then the value 5.25 best represents

the start-up cost

the profit earned from the sale of one radio

the amount spent to manufacture each radio

the average number of radios manufactured

Question 2

2.

Each day, a local dog shelter spends an average of $2.40 on food per dog. The manager estimates the shelter's daily expenses, assuming there is at least one dog in the shelter, using the equation
E= 30 +2.40x. Which statements regarding the equation E are correct?

I. x represents the number of dogs at the shelter per day.
II. x represents the number of volunteers at the shelter per day.
III. 30 represents the shelter's total expenses per day.
IV. 30 represents the shelter's nonfood expenses per day.

I and III

I and IV

II and III

II and IV

Question 3

3.

The owner of a small computer repair business has one employee, who is paid an hourly rate of $22. The owner estimates his weekly profit using the equation P= 8600 -22x. In this equation, x represents the number of

computers repaired per week

hours worked per week

customers served per week

days worked per week

Question 4

4.

The amount Mike gets paid weekly can be represented by the expression 2.50a + 290, where a is the number of cell phone accessories he sells that week. What is the constant term in this expression and what does it represent?

2.50a, the amount he is guaranteed to be paid each week

2.50a, the amount he earns when he sells a accessories

290, the amount he is guaranteed to be paid each week

290, the amount he earns when he sells a accessories