Let f(x) = (3x)/(x^2-1) Which expression represents f '(x)?

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Ineed to know the answer to this algebra question.