A ball thrown vertically upward at a speed of v ft/sec rises a distance d feet in t seconds, given by d=6 + vt - 16t2 Write an equation whose solution is a. The time it takes a ball thrown at a speed of 88 ft/sec to rise 20 feet. b. The speed with which the ball must be thrown to rise 20 feet in 2 seconds.

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up