Express the graph shown using interval notation. Also express it as an inequality involving x.
A. [5, 6]
5 ? x ? 6
B. (5, 6]
5 < x ? 6
C. [5, 6)
5 ? x < 6
D. (5, 6)
5 < x < 6
Answer: D
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Write the complex number in trigonometric form. Round the angle to the nearest hundredth of a degree.
?
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Sketch the graph of the function and determine whether it has any absolute extreme values on its domain.y = 3 cos x, 0 < x < 2? 
A. no absolute maximum;
absolute minimum at x = ?
B. no absolute maximum;
no absolute minimum
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absolute minimum at x = ?
D. absolute maximum at x = 0;
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A. 100.7 B. 100.4 C. 101.2 D. 101.0