Mathematics, 29.01.2020 17:43 Mikkixo3114
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
Answers: 3
![f[c(p)]=0.81p](/tpl/images/0482/7007/b2114.png)
, where p is the original price of the laptop. 
, where c is the sale price of the laptop.![\text{ i.e. }f[c(p)]=f[0.75p]\\\\\Rightarrow f[c(p)]=1.08(0.75p)\\\\\Rightarrow f[c(p)]=0.81p](/tpl/images/0482/7007/6ff5b.png)
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