OpenStax, Algebra and Trigonometry 2e §5.1 Quadratic Functions · Exercise 78 · Algebra · Quadratics

Quadratic Functions · Exercise 78

A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by $h (t) = - 4.9 t^{2} + 24 t + 8.$ How long does it take to reach maximum height?

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OpenStax, Algebra and Trigonometry 2e · §5.1 Quadratic Functions · Exercise 78

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