Find the inflection point(s) if it/they exists. If there is more than one, enter your answers in as ordered pairs separated by a comma. f ( x) = x4 - 6x2Find the inflection point(s) if it/they exists. If there is more than one, enter your answers in as ordered pairs separated by a comma. f(x) = x3 - 2x2 - 4x + 3Find the inflection point(s) if it/they exists. If there is more than one, enter your answers in as ordered pairs separated by a comma. f(x) = x3 - 6x2 + 9x + 1