The daily attendance A(p) at Magic MoleHill amusement park depends of the price

Question

The daily attendance A(p) at Magic MoleHill amusement park depends of the price p of admission. Write the symbolic form for the statement: At an admission price of exist37.00, attendance is decreasing at a rate of 100 people per dollar increase in the price. (b) The demand D(p) for j-Phones depends on the price p (in dollars) per phone. Write a summary for the symbolic statement D'(220) = -1000. (c) The yield Y(r) (in pounds) of an almond tree depends on the amount of rainfall r (in inches) the tree gets during the growing season. Write a summary for the symbolic statement Y'(3) = 17.

Explanation / Answer

(a) dA(37)/dp = -100 where p is in dollars.

(b) At a price of 220 dollars, the demand for j-Phones is decreasing at a rate of 1000 phones per dollar.

(c) When the amount of rainfall is 3 inches, the yield is increasing at a rate of 17 pounds per tree.

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