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need help ive always had trouble with writing functions.

Candy is on sale for $0.75 each. you have a coupon for $0.25 off your total purchase. write a function rule for the cost of n pieces of candy.

A. C(n)0.25n-0.75
B. C(n)=0.75n-0.25
C. C(n)=1.0n
D. C(n)=0.75n

Respuesta :

W0lf93
B. C(n)=0.75n-0.25  
n pieces of candy = .75 cents x n pieces minus .25 cent coupon.

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