Solve and graph. Write the solution set in set-builder and interval notation.
< 3
A. {a
a ? -9}; (-?, -9]
B. {a
a ? -9}; [-9, ?)
C. {a
a < -9}; (-?, -9)
D. {a
a > -9}; (-9, ?)
Answer: D
Mathematics
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A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. Not invertible
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Determine whether the graph of the equation is a circle or an ellipse.
+ 
= 1
A. Ellipse B. Circle
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Perform the indicated operations.4 ? (-26) + 22 ? (-21)
A. -1722 B. -566 C. -336 D. 1722
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Solve.
= 
(Write the answer as a mixed number.)
A. 30
B. 15
C. 
D. 7
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