P(n), given below, is the price P in dollars for n grams of vitamins. P(n)=0.2n+ 5.3

Complete the following statements.

Let P^-1 be the inverse function of P.

Take x to be an output of the function P.

(a) Which statement best describes P^-1(x)?

O The reciprocal of the price in dollars) for x grams of vitamins.

O The amount of vitamins (in grams) for a price of x dollars.

O The price in dollars) for x grams of vitamins.

O The ratio of the price (in dollars) to the number of grams, x.

(b) P^-1 (x) =
(c) P^-1 (6.6) =