A car dealership advertises a 20% discount on all its new cars. In addition, the manufacturer offers a $2000 rebate on the purchase of a new car. Let x represent the sticker price of the car.
(a) Suppose only the 20% discount applies. Find a function f that models the purchase price of the car as a function of the sticker price x.
f(x)=?

Question

A car dealership advertises a 20% discount on all its new cars. In addition, the manufacturer offers a $2000 rebate on the purchase of a new car. Let x represent the sticker price of the car.
(a) Suppose only the 20% discount applies. Find a function f that models the purchase price of the car as a function of the sticker price x. 
f(x)=?

shaik0124 · Answer

suppose the  x be the the sticker price of the car
if 20% discount applies then selling price of car will be x-20%(x)

shaik0124 · Answer

got it?

anonymous · Answer

okay so what would the function be if only the $ 2000 rebate applies?

shaik0124 · Answer

x-$2000

shaik0124 · Answer

got it?

anonymous · Answer

oh damn, yeah i do get it, i was putting 2000-x thats why, thank you!!

shaik0124 · Answer

let sticker price of car be $3000 and rebate means return some money back
so if rebate is $2000
then selling price will $3000-$2000=$1000

shaik0124 · Answer

Happy to help u

shaik0124 · Answer

whaat else can i do for u

anonymous · Answer

hmmm

anonymous · Answer

(a) Suppose only the 20% discount applies. Find a function f that models the purchase price of the car as a function of the sticker price x.

anonymous · Answer

if you get 20% of you pay 80% of the price, function is 
$$f(x)=0.8\times x$$

anonymous · Answer

okay quick question when I find the inverse of both functions, what does the inverse represent? @satellite73

anonymous · Answer

the inverse would be 2000+1.25x

anonymous · Answer

@shaik0124