Warehouse Club Membership Suppose that the yearly fee for a warehouse club membership is $50 and that the reward rate on club purchases for the year is 1.6%. Then the actual yearly cost of a membership y, in dollars, for an amount of yearly club purchases x, in dollars, can be modeled by the following linear equation.
y = 50 - 0.016x
(a) Determine the actual yearly cost of the membership if club purchases for the year are $1500.
(b) What amount of club purchases would reduce the actual yearly cost of the membership to $0?
(c) If club purchases for the year exceed $3125, how is the actual yearly membership cost affected?
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