please help with step by step solutions the exam is tonight

4a) Use a single MATLAB built-in function to compute the location of the extrema points of the function MX) = (3x - D(x-2)(x + 1) (6 pts) offty [52] [(3x-XX-2XX+1) Atpootslay - 3x? 6X-X+2 Epantta theke ate the reastsx=2x17(W12_7X42f3x24?$X+2) ../X1/X2, X3) VI) 9 -2X 46) Write the code needed to plot f(x) with a blue line over the range -2 SY53, and on the same figure mark with red stars the maximum and minimum points (from 4(a)). (6 pts) q=[3 4 5 2 ] b=[-2 3] pict (line blue, red) 4a) Use a single MATLAB built-in function to compute the location of the extrema points of the function MX) = (3x - D(x-2)(x + 1) (6 pts) offty [52] [(3x-XX-2XX+1) Atpootslay - 3x? 6X-X+2 Epantta theke ate the reastsx=2x17(W12_7X42f3x24?$X+2) ../X1/X2, X3) VI) 9 -2X 46) Write the code needed to plot f(x) with a blue line over the range -2 SY53, and on the same figure mark with red stars the maximum and minimum points (from 4(a)). (6 pts) q=[3 4 5 2 ] b=[-2 3] pict (line blue, red)