1)The cost to rent a taxi cab from one company in New York City is represented in the table below where the total cost, c, depends on the number of miles traveled, n.The table shows the cost for 2, 5 and 8 miles.

2

$11.00

5

$17.00

8

$23.00

a)Determine the rate of change for the function and describe what it means in this situation.

b)Write an equation that represents the cost, c, as a function of the number of miles traveled, n.

c)Sketch a graph of the situation.

d)What is the y-intercept of the graph and what is its meaning in context of the situation.

e)Determine a reasonable domain and range and explain its meaning in terms of the situation. **This is a continuous situation.

2)Graph f and g.

3)Use the equation .

a)Write an equation of the line that is perpendicular to f and passes through (-3,-5).

b)Write an equation of the line that is parallel to f and passes through (5,0).

7)Data on the age of a certain car and its value are shown in the table.

Age of Car

0

1

2

4

8

Value of car

12,500

9,200

7,850

6,100

3,425

a)Determine the correlation coefficient and describe the correlation of the data

b)Determine a linear regression equation for the situation.

c)Use your equation to make a prediction the value of the car when the car is 6 years old.