Ajuggler throws a ball into the air from a height of 5 ft with an initial vertical velocity of 16 ft/s. the function that models the height h of the ball in feet t seconds after the ball is thrown is h(t) = -16t2 + 16t + 5. how long does the juggler have to catch the ball before it hits the ground?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Determine if the equation defines y as a function of x: 2xy = 1. yes o no