Let f(x)= ln(-x^2+x+6) Find the range of f(x). Use f'(x) to support your answer. Attempt at a solution: Find the max. value of the range is easy. I found the derivative and set it equal to zero. My REAL PROBLEM is finding the minimum value of the range. The function's domain must be between -2 and 3 becus you cannot take the natural lg of a negative number or zero. SO, as f(x) approaches, 3 or -2, does it approach negative infinity?? Am I right when I say its lower range is negative infinity?? HELP!