A model rocket is launch from a platform 17 feet high in the initial velocity is 40 ft The path of the rocket is modeled by the
equation 16x^2 +40X +17=0 When does the rocket land
1 answer:
Answer:
It will be in the air until P(x) is zero.
P(x) = -16x2 + 32x = -16x(x - 2)
P(x) = 0 ⇒ x = 0 or x = 2
It starts on the ground at x = 0, so the total time in the air must be x = 2 seconds.
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