12. A toy cannon ball is launched from a cannon on top of a platform. The function h(t) = -5t² + 15t + 10 gives the height, in meters, of the ball t seconds after it is launched. Write and solve an inequality to find the times where the ball is more than 21 meters above the ground. Round to the nearest hundredth. ²0²² t² + C seconds < t < seconds h(t) < 11

12. A toy cannon ball is launched from a cannon on top of a platform. The function h(t) = -5t² + 15t + 10 gives the height, in meters, of the ball t seconds after it is launched. Write and solve an inequality to find the times where the ball is more than 21 meters above the ground. Round to the nearest hundredth. ²0²² t² + C seconds < t < seconds h(t) < 11

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter5: Factoring Polynomials

Section5.13: Using Factoring To Solve Problems

Problem 16P

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