1 Points] DETAILS Consider the following function. f(x) = 2xex+1 LARPRECALCRMRP7 3.1.062. (a) Use a graphing utility to graph the function. y 30 50 25 40 40 20 30 15 20 10 10 0-4 -3-2 -1 10 10 y 30 10 220 1 2 -10 -20 -30 x -4 -3 -2 -1 2 5 30 22 25 20 20 15 15 10 1 2 0-4 -3 -2 -1 (b) Use the graph to find the open intervals on which the function is increasing and decreasing. (Enter your answers using interval notation.) The function is increasing on The function is decreasing on (c) Approximate any relative maximum or minimum values. (Round your answers to three decimal places.) relative maximum (x, y) =