Be Wise About Piecewise

Thursday, March 5, 2009

Piecewise and Step Functions

Click here to learn how to graph a piecewise function!

:)

The Lunenburg Girls' Track Team won the League Championship this winter season. They want to purchase shirts from the Blue Heron. There are thirty-four girls on the team. Using the following information, write a piecewise function and graph it.

Initial Charge: $20.00
$7.00 a shirt for orders of less than 30 shirts
$5.00 a shirt for orders of 30 shirts or more

Click here for the solution!

Sexy Singles

Okay, it's late one Saturday night, you're feeling lonely and you wish you had someone to talk to, when all of a sudden the following commercial comes on the T.V. You decide to call the number and this is what you hear:

0-10 minutes Free
10-50 minutes $30.00
50-100 minutes $50.00
100-250 minutes $100.00

Write a step function for this information and graph it.

Click here for the solution!