NASA launches a rocket at
t
=
0
seconds. Its height, in meters above sea-level, as a function of time is given by
h
=
−
4.9
t
2
+
211
t
+
94
.

the  height is :  2365.48  m

Step-by-step explanation:

hello :

h(t) = − 4.9 t 2 + 211 t + 94 .

the vertex of this parabola is : (-b/2a  , h(-b/2a) when : a= -4.9  and b=211

-b/2a = -(211)/2(-4.9) = 21.53

h(21.53) = -4.9(21.53)²+211(21.53)+94 = 2365.48  m

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step-by-step explanation:

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step-by-step explanation: