Asked by John
A ball is thrown vertically upward, the height h(t) of the ball at the time t in seconds is modelled by the function h(t) =(t - 3)^2 + 5t - 3t^2. Is the given function a quadratic function? Justify you answer.
Answers
Answered by
oobleck
yes. The highest power of t is 2, and its coefficient is nonzero.
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