Answer:
See below, and on the attached graph.
Explanation:
The expression f(x)=(4-2x)(0.5x+1) can be simplified to:
y = 4 - x^2
This is easily graphed. The attached graph shows the line as well as a shaded area below the line (in blue). This was created by using the expression y < 4 - x^2, where by stipulating all values less than the ones on the line creates the blue area indicating that all those points are below the line. Then add a seond expression, y <= - 5.
This shows up as a solid red line with red shading for all points underneath. The solution to this question is the area in red that is bounded by the line of the equation, as noted by the dashed arrows.