# Math/Algebra

Delivery company charges \$10 plus 40¢ per kilometer or part of a kilometer. Find the cost for a trip of:
a.5 kilometers
b.7.5 kilometers
c.3.2 kilometers
d.Graph the ordered pairs (kilometers, cost). Is this a function?

1. 👍 0
2. 👎 0
3. 👁 134
1. 10 + .4*5 = 12

10 + .4*8 = 13.2

10 + .4*4 = 11.6

it may be bumpy but:

There is one and only one output value for every input value.
Therefore it is a function.

1. 👍 0
2. 👎 0
posted by Damon

## Similar Questions

1. ### Math

If a boat rental company charges 100.00 a day plus .50 per kilometer and another company charges 90.00 a day plus .60 per kilometer, at how many miles would the bill at both companies be the same?

asked by Andre on January 30, 2014
2. ### rental charges

A rent-a-car charged a fixed daily rate plus a fixed amount per kilometer. A total charge for the first week was \$830 with 1250 kilometer on the clock. The second week bill was \$710 with 850 kilometer on the clock.Determine the

asked by hiskiel on March 3, 2016
3. ### Math

One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 700 meters? Simplify your result? A college bookstore ordered 425 copies of a textbook at a cost of \$22,525. What was the cost to the store for an

asked by fay1985 on December 21, 2008
4. ### Economics

Simon Tam is negotiating passage on Serenity as a clandestine fugitive from the planet Persephone. He is told that the 185 million kilometer trip to Osiris will cost \$4,120. Alternatively, he can take a 365 million kilometer trip

asked by Ashley W on February 3, 2015
5. ### math/115

One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 700 meters? Simplify your result.

asked by Anonymous on October 18, 2009
6. ### physics

Two trains 150 kilometer apart travel towards each other on parallel tracks, each moving at 25 kilometer per hour. A bird flies back and forth between the two trains at 50 kilometer per hour, until the train passes each other how

asked by Justine on September 26, 2016
7. ### Math

A rectangular parking lot has an area of 7/8 of a square kilometer. The length is 1/4 kilometer. What is the width, in kilometer, of the parking lot?

asked by Anonymous on January 21, 2018
8. ### Technology

Choose the longest measurement. a. 1 millimeter b. 1 inch c. 1 kilometer d. 1 yard C-1 kilometer

asked by y912f on December 21, 2009
9. ### math

rich ran a 5 kilometer race how many meters is five kilometer

asked by tracy on March 31, 2009
10. ### Honors Algebra

Hi, I need some help with my Algebra. This is how it goes: Yet another company subsidiary of the company is a company that provides a dumpster rental service. The company will deliver a dumpster to a customer's site for a one-time

asked by Sam on January 4, 2011

More Similar Questions