Mathematics, 11.11.2019 20:31 neariah24

Water coming out from a fountain is modeled by the function f(x)=-x^2+8x+2 where f(x) represents the height, in feet, of the water from the fountain at different times x, in seconds.

what does the average rate of change f(x) from x=1 to x=4 represent?

the water travels an average distance of 3 feet from 1 second to 4 seconds.
the water travels an average distance of 2 feet from 1 second to 4 seconds.
the water rises up with an average speed of 3 feet per second from 1 second to 4 seconds.
the water rises up with an average speed of 2 feet per second from 1 second to 4 seconds.

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