Mathematics, 30.10.2019 19:31 princeofpowerjr

Suppose tuna is on sale for $0.90 a can, and you have a coupon for $0.40 off your total purchase. write a function rule for the cost of n cans of tuna.

a. c(n)=0.90n-0.40

b. c(n)=0.40n-0.90

c. c(n)=(0.90+n)-0.40

d. c(n)=(0.40+n)-0.90

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