Further maths
posted by Peter .
Y=x^36x^2+9x4.calculate the average rate of change of y with respect to x.

average over what interval? The graph grows ever steeper for larger x. You gotta know where to measure the average.
posted by Peter .
Y=x^36x^2+9x4.calculate the average rate of change of y with respect to x.
average over what interval? The graph grows ever steeper for larger x. You gotta know where to measure the average.