Mathematics, 25.12.2019 22:31, johnwatson12

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) = 0.09n- 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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Suppose tuna is on sale for $0.90 a can, and you have a coupon for $0.40 off your total purchase. wr...