PLLEASEE HELP :)!
The price p and the quantity x sold of a certain product obey the demand equation below.
x=-4p+80, 0≤ p≤ 20
(a)Express the revenue R as a function of x.
(b)What is the revenue if 44 units are sold?
(c)What quantity x maximizes revenue? What is the maximum revenue?
(d)What price should the company charge to maximize revenue?
(e)What price should the company charge to earn at least $364 in revenue?

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

is there a graph

step-by-step explanation: