Write the inequality in interval notation.x > -7
A. [-7, ?)
B. (-?, -7)
C. (-7, ?)
D. (-?, -7]
Answer: C
Mathematics
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Find the indicated coordinates.Point P has coordinates (-6, -2). Find the coordinates of Q so that the y-axis is the perpendicular bisector of the line segment joining P and Q.
A. (-2, -6) B. (-6, 2) C. (6, 2) D. (6, -2)
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Find the exact circular function value.tan 
A. 
B. 
C. 1
D. 
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Divide.
A. 12.3
B. - 
C. 1.23
D. -40
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Graph the function.Assume it costs 25 cents to mail a letter weighing one ounce or less, and then 20 cents for each additional ounce or fraction of an ounce. Let L(x) be the cost of mailing a letter weighing x ounces. Graph y = L(x). Use the interval (0, 4].
A.
B. 
C.
D. 
Mathematics