Discuss Shading unwanted regions to graph the solution of a system of inequalities, we have stated the solution of each inequalities in a different color; the solution of a system is the regions where all shaded parts overlap here is a different method; for each inequality shade the regions that does not satisfy the inequality explain why the part of the plane that is left unshaded is the solution of the system. Solve the following system by both method ,why do they prefer? Why?
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College Algebra
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