Write interval notation for the following. Then graph the interval on a number line.{x?-3 ? x ? 1}
A. (-3, 1)
B. [-3, 1]
C. (-3, 1]
D. [-3, 1)
Answer: B
Mathematics
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Find all real numbers that satisfy the equation.cos x = 1
A. {x|x = 0 + 2k?}
B. {x|x = ? + 2k?}
C. 
D. 
Mathematics
Write the improper fraction and mixed number represented by the shading.
A. 
; 2
B. 
; 2
C. 
; 2
D. 
; 2
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Which of the following are simple closed curves?
(a) A circle. (b) A polygon. (c) A cube. (d) Both (a) and (b) are correct. (e) Both (a) and (c) are correct.
Mathematics
Find the length of the section represented by x in the figure. 
a = 2
b = 12
A. 7
B. 12
C. 7
D. 22
Mathematics