Answer:
Linear functions include linear equations and inequalities. Linear inequalities are algebraic expressions which contain an inequality sign such as greater than ">", less than "<", greater than equal to "\geq" or less than equal to "\leq". Linear inequalities with one variable contain a single variable only. Unlike the solution set of a linear equation in two variables which is given in ordered pair that satisfies both inequalities, linear inequality with one variable is given in interval notation.
We know that the graph of the linear inequality in two variables is a straight line. The region which represents the solution set is shaded. On the other hand, solution of the linear inequalities in one variable are represented on a number line. When the values from the solution set of the system of inequalities in one variable are substituted in each inequality, the solution set is true for each inequality.
Step-by-step explanation:
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