Chapter 9: Problem 37
Find the union of the sets. $$\\{a, e, i, o, u\\} \cup \varnothing$$
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Chapter 9: Problem 37
Find the union of the sets. $$\\{a, e, i, o, u\\} \cup \varnothing$$
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Graphing utilities can be used to shade regions in the rectangular coordinate system, thereby graphing an inequality in two variables. Read the section of the user's mamual for your graphing utility that describes how to shade a region. Then use your graphing unility to graph the inequalities. $$2 x+y \leq 6$$
Write each sentence as a linear inequality in two variables. Then graph the inequality. The \(y\) -variable is at least 2 more than the product of \(-3\) and the \(x\) -variable.
Solve each inequality using a graphing utility. Graph each side separately in the same viewing rectangle. The solution set consists of all values of \(x\) for which the graph of the left side lies above the graph of the right side. $$|2 x-1|>7$$
. What is a half-plane?
Rewrite each inequality in the system without absolute value bars. Then graph the rewritten system in rectangular coordinates. \\\ |y| \leq 3\end{array}\right.\end{aligned}$$\left\\{\begin{array}{l}|x| \leq 1 \\ |y| \leq 2\end{array}\right.$
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