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Solve the Problem tt Seconds Is Given By h=9.8t2+49th = - 9.8 \mathrm { t } ^ { 2 } + 49 \mathrm { t }

Question 240

Multiple Choice

Solve the problem.
-If a rocket is propelled upward from ground level, its height in meters after tt seconds is given by h=9.8t2+49th = - 9.8 \mathrm { t } ^ { 2 } + 49 \mathrm { t } . During what interval of time will the rocket be higher than 58.8 m58.8 \mathrm {~m} ?


A) 0<t<20 < t < 2
B) 4<t<54 < t < 5
C) 3<t<43 < t < 4
D) 2<t<32 < t < 3

Correct Answer:

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