How do I do this?

Show all work clearly and in order, and circle your final answers. Justify your answers alge- braically whenever possible; when you do use your calculator, sketch all relevant graphs and write down all relevant mathematics. 1. (1 point) Let f(x) - 3(2 2)2+ 5 (a) Sketch the graph of f(x). (b) What is the range of f(x)? (c) What is the minimum value? (d) On which interval is it increasing? (e) On which interval is it decreasing