Exam Prep

the sum of first 4 terms of an AP is 32. the ratio of products of the first and last term to the 2 middle terms is 7:15. What is the AP?

The following function represents the production cost f(x), in dollars, for x number if units produced by compang 1:  f(x) = 0.15x^2 - 6x + 400   The following table represents the production... more

A ball is thrown into the air with a velocity of 112 ft per second. The ball was released 6 feet above the ground. The height above the ground t seconds after release is modeled by h(t)=-16t^2 +... more