S(P) =1/2P+40. D(P) =220-P
The quantity of a product supplied and the quantity
of the product demanded in an economic market are
functions of the price of the product. The functions
above are the estimated supply and demand functionsfor a certain product. The function S(P) gives the
quantity of the product supplied to the market when
the price is P dollars, and the function D(P) gives
the quantity of the product demanded by the market
when the price is P dollars.
How will the quantity of the product supplied to the
market change if the price of the product is increased
by S20?
A. The quantity supplied will decrease by 5 units
B. The quantity supplied will increase by 5 units
C. The quantity supplied will increase by 10 units
D. The quantity supplied will decrease by 15 units