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Consider the graph of the interval $[4,8)$a. Is 4 included in the graph? b. Is 8 included in the graph?
a) Yesb) No
Precalculus
Algebra
Chapter 2
Equations, Inequalities, and Problem Solving
Section 7
Solving Inequalities
Algebra Topics That are Reviewed at the Start of the Semester
Equations and Inequalities
Campbell University
Harvey Mudd College
Baylor University
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consider the graph of the given interval is four. Included in the GRAPH four is open with a bracket and autograph bracket represents a closed circle, and it does include the value so four is included is eight included in the graph since the interval is closed with a parentheses at eight. That's like an open circle on the graph, and an open circle does not include the value.
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