A rocket is launched in the air. Its height, in meters above sea level, as a function of time, in seconds, is given by h(t)=-4.9^2+229t+234. Assuming the rocket will splash down in the ocean, at what time does splashdown occur? (show your work and explain how you did it please)

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.

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a

step-by-step explanation: