Consider the following function. x} - 4.)!6 + 6x4 - x2 {a} Find the zeros of the function. (Round your answers to four decimal places. Enter your answers as a comma-separated list.) (b) Use a graphing utility to graph the function. Approximate the open intervals on which the function ls Increasing, decreasing, or constant. (Round your answers to two decimal places. Enter your answers using interval notation. If an answer does not exist, enter DNE.) increasing decreasing constant (c) Deten'nlne whether the function is even, odd, or neither. 0 even 0 odd 0 neither