Consider the following: (Give your answers to four decimal places. Enter your answers as a comma-separated list.) y= x-3x-3 (a) Use a graphing utility to approximate two x-intercepts of the graph of the function. X = I You do not have the correct number of terms in your comma-separated list. (b) Give the approximate zeros of the function. X = X You do not have the correct number of terms in your comma-separated list