Find the key numbers of the expression.
?

?
A. -6, 7
B. 6, 7, 1
C. -6, -7
D. 6, 7
E. 6, -7
Answer: D
Mathematics
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
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A. 56 units B. 392 units C. 14 units D. 98 units
Mathematics