Concept explainers
Use the position function
(
)
to answer Exercises 75-76
You throw a ball straight up from a rooftop 160 feet high with an initial velocity of 48 feet per second. During which time period will the ball's height exceed that of the rooftop?
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Precalculus Plus MyMathLab with Pearson eText -- Access Card Package (6th Edition)
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