The average of a set of numbers is equal to the sum of those numbers divided by the number of numbers. So, one might say that the average function is equal to the sum function divided by the count...
It is a Basic Statistical Function.
A polynomial function of a variable,x, can be written as a sum of non-negative integer powers of x.For example, f(x) = 5x5 + 27x2 - 37/3 x + 2.36.
The parent function of the exponential function is ax