Lo que es 96/100 + 3-12 usando pemds

Find the value of the variable and the length of each secant segment

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x