Hi can someone do these questions for me?!

4. Consider the function. f (x) = -- x2 +x - 6 a) Determine the key features of the function: i) domain and range ii) interceptsv v iii) equations of any asymptotes v iv) intervals where the function is increasing and intervals where the function is decreasing b) Sketch a graph of the function. VV VV Page 5 of 6