The number x of bicycle helmets a retail chain is willing to sell per week at a price of? $p is given by

x=81p+25?400?,

20?p?100.

Complete parts? (A) and? (B)

The numberx of bicycle helmets a retail chain is willing to sell per week at a price of $p is given by x = 81 1/ p + 25 400, 20 s p S 100. Complete parts (A) and (B). Supp y/Demand 0 20 4O 60 80 100120 Price (Dollars) AF'ddx () In dp' dx_ dp_ (B) Find the supply and the instantaneous rate of change of supply with respect to price when the price is $75. Interpret your results. When the price is $75, the supply is B. When the price is $75, the instantaneous rate of change of supply with respect to price is El. At a price of $75, the supply is D bicycle helmets per week and supply is l at a rate of D bicycle helmets per dollar