Homework Help: Algebra 1

Posted by Diane on Thursday, April 19, 2012 at 11:19pm.

2) A family of 2 adults and 3 children go to the county fair that sells raffle tickets for 75¢ each. Admission price is $5 per child and $8 per adult. Let n be the number of raffle tickets bought.

2a) Write a function in the form of C(n) to describe the cost of this family going to the county fair.

2b) What is the domain of this function?

2c) What is the range of this function?

Algebra 1 - Steve, Friday, April 20, 2012 at 5:05am
C(n) = 2*8 + 3*5 + .75n = 31 + .75n

domain is all integers >= 0
range is all multiples of .75 >= 0

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