I don't understand this can you help and show the work!

X'- 4X for x

for x A piecewise function g(8) for _x22W Part A: Graph th {piecevi?e functionl determipehtheg domain. (5 points) Part B.C Dece;rt9ioe the &intercepfs of (x)e '{lees"ry calculations. (5 points) Part C: 'DescriPe the Interval(s in whic the grpphi Ofg(x) is/ positive. (5 points)