Pre-Test Active 1 2 3 4 5 6 TIME REMAINING 10 50:16 Which graph represents a reflection of f(x) = 1 10 (10)* across the y-axis? 로, 1 -7 6 5 4 3 -2 -11. X O 3 do co 7 6 Mark this and return Save and Exit Next Submit ontentViewers/AssessmentViewer/Acti vity# ​

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 =