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.

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit