The profit function of a manufacturer, in dollars, when x units of a certain commodity are produced and sold is given by P(x)=200x−x2.

(a) The maximum profit is
dollars.

(b) The number of units produced and sold to get the maximum profit is
units.

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.