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8. The trajectory of a model rocket launched from a 2-
meter platform can be modeled by the
function, f(x) = -5x2 + 30x + 2, where x is the number of seconds after launch and f(x) is
the height of the rocket.
What is the maximum height of the rocket?
After how many seconds will the rocket reach this height?


Sagot :

Answer:

Step-by-step explanation:

x=4/15