Enter the functions given below. Try to identify the part of the graph [br]where the function is increasing or decreasing and the intervals of the [br]related values of x.. Click on the checkmarks to check your answer.[br][br]1. f(x) = 2x^3-5x^2+2x-1[br]2. f(x) = (x+1)/(x-1)[br]3. f(x) = (x^2+3x+2)/x[br]4. f(x) = 2^x-x+x-1[br]5. f(x) =sinx*(x^2+x)/x