What is the average rate of change of f over the interval [-3,9] Give an exact number.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

When only separate discreet points are graphed it is called?

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.