Use a graphing calculator to find the intervals on which the function is increasing or decreasing. Consider the entire set of real numbers if no domain is given.

f(x)= 17x over x^2+1

Determine the interval(s) on which the function is increasing. Select the correct choice below and fill in any answer boxes in your choice.

a). The function is increasing on the interval(s):

Determine the interval(s) on which the function is decreasing. Select the correct choice below and fill in any answer boxes in your choice.

b). The function is decreasing on the interval(s):