6. The profit in dollars from the sale of x bicycles is given by P(x) = -0.5x2 +200x - 14000 where 0 sxs 300

a) Find the change in profit when production is changed from 122 to 150 bicycles.

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Find the nonpermissible replacement for binthis expression.b2/5b +5

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.