Problem 47
Graph and write interval notation for each compound inequality.
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3
Problem 47
Solve. Let \(f(x)=|2 x+6| .\) Find all \(x\) for which \(f(x)=8\)
Problem 57
Graph and write interval notation for each compound inequality. $$ -4 \leq-x<2 $$
Problem 59
Solve. $$ |n-3|=|3-n| $$
Problem 60
Graph each system of inequalities. Find the coordinates of any vertices formed. $$ \begin{aligned} &3 x+4 y \geq 12\\\ &5 x+6 y \leq 30\\\ &1 \leq x \leq 3 \end{aligned} $$
Problem 60
Graph and write interval notation for each compound inequality. $$ t \geq 2 \text { or }-3>t $$
Problem 61
Explain in your own words why a boundary line is drawn dashed for the symbols \(<\) and \(>\) and why it is drawn solid for the symbols \(\leq\) and \(\geq\)
Problem 62
Graph and write interval notation for each compound inequality. $$ -x<3 \text { or } x<-6 $$
Problem 62
When graphing linear inequalities, Ron makes a habit of always shading above the line when the symbol \(\geq\) is used. Is this wise? Why or why not?
Problem 64
Graph and write interval notation for each compound inequality. $$ 6>-x \geq 0 $$