OpenStax, Intermediate Algebra 2e §9.6 Graph Quadratic Functions Using Properties · Exercise 50 · Algebra · Quadratics
Graph Quadratic Functions Using Properties · Exercise 50
Solve. Round answers to the nearest tenth.
A stone is thrown vertically upward from a platform that is 20 feet height at a rate of 160 ft/sec. Use the quadratic function h(t) = −16t^2 + 160t + 20 to find how long it will take the stone to reach its maximum height, and then find the maximum height.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Intermediate Algebra 2e · §9.6 Graph Quadratic Functions Using Properties · Exercise 50
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