Question 37097
 f(x) = x3 - 3x2 - 2x + 1 -------polynomial
 f(x) = ex-----------------------exponential
 f(x) = 3x - 2-------------------linear
 f(x) = log x--------------------logarithmic
 f(x) = x2 - 5x + 6--------------quadratic
 {{{ graph( 400, 400, -10, 10, -10, 10, x^3-3*x^2-2x+1, e^x, 3*x - 2,
                                        log(10, x),x^2-5*x+6)}}}