Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Period:______________
Date:________________________
Name:___________________________________ (Use the back as more room to show your work.)
H.W. #38: More on Representing Relationships
Directions: Answer the following questions. Show work.
1) Linda buys a can of tuna fish that weighs 4.2 ounces. The total weight w(c) is a function of the number of cans of
tuna fish c. Write a function to represent the total weight. Then determine the ounces in 8 cans of tuna fish.
2) Write a function rule for the following function.
3)
4)
b) Make a function table to find the total cost to rent each
item for 2, 3, 4, and 5 hours.
c) Graph each function on the same coordinate plane.
d) Will the bike or scooter cost more to rent for 8 hours?
e) How much is the cost to rent the bike for 8 hours?
5) Write an expression that can be used to find the nth term of the arithmetic sequence 15, 30, 45, 60, ….. Then
write the next three terms.