Ray is purchasing a laptop that is on sale for 25% off. He knows the function that represents the sale price of his laptop is c (p) = 0.75p, where p is the original price of the laptop. He also knows he has to pay 8% sale's tax on the laptop. The price of the laptop with tax is f (c) = 1.08c, where c is the sale price of the laptop.
Determine the composite function that can be used to calculate the final price of Ray's laptop by solving for f[c (p) ].
f[c (p) ] = 1.83p
f[c (p) ] = 1.83cp
f[c (p) ] = 0.81p
f[c (p) ] = 0.81cp
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