# 1. Suppose you belong to a tennis club that has a monthly fee of $100 and a charge of $5…

Find the slope of the curve per ______.

The slope of the curve is ______ per ______.

Suppose you start with 10 hours of tennis and then decide to increase your tennis time by 3 hours. On your curve show the inital point and the new point. By how much will your monthly biill increase?____

Suppose you start with 10 hours and then decide to spend an additional $30 on tennis. On your curve, show the initial point and the new point . How many additional hours can you get?_______

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Order Paper Now2 A graph shows the relationship between the number of Frisbees produced and the cost of production. The vertical intercept is $___, and the slope of the curve is $____ per Frisbee. Point b shows that the cost of producing ____ Frisbees is $____. The cost of producing 15 Frisbees is $____.

140

100 c 140

60 b

20 a

0 10 20 30

3. Suppose you have $120 to spend on CDs and movies. The price of a CD is $12, and the price of a movie is $6. Prepare a table and draw a curve to show the relationship between the number of CDs(on the horizontal axis) and movies (on the vertical axis) you can afford to pay.

The slope of the curve is _______ per ________.

You manage Gofer Delivery Service. You rent a truck for $50 per day and each delivery takes an hour of labor time. The hourly wage is $8. Draw a curve showing the relationship between the number of deliveries (on the horizontal axis) and your total cost (on the vertical axis). Draw the curve for between 0 and 20 deliveries.

The slope of the cost curve is _____ per _______.

To draw the curve, what variables are held fixed?

____________ ____________________

A change in ______________wold cause a movement upward along the curve.

Changes in _______________ would cause the entire curve to shift upward.

A change in a variable measured on an axis of a graph casues movement ____________ a curve, while a change in a relevant variable is not measured on an axis _______________the curve.

Compute the percentage changes for the following:

Initial value New Value Percentage change

10 11 ______________

100 98 ______________

50 53 ______________

Compute the new values for the following changes:

Initial Value Percentage Value New Value

100 12% _________

50 8 _________

20 15 _________

Suppose the price of an mp3 player decreases from $60 to $40. Using the midpoint approach, the percentage change in price is _______. Using the intial-value approach, the percnage change in price is _____

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