Question 1102297
If A = 1, the function does not vary with x.  The function would simply be f(x) = 1, since 1 raised to any power is still 1.
If A < 0, then for integer values of x, the even powers give positive f(x) and the odd powers give negative f(x), 
and for non-integer values such as x=1.5, the function is undefined.