the height of a stone is meters thrown vertically upward is given by the quadratic function y = - 5x² + 14x + 3, where t is the time in seconds. what is the stone's maximum height?
A. 10.8 meters
B. 12.8 meters
C. 11.8 meters
D. 13.8 meters
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Answer:
A 10.8
Step-by-step explanation:
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