Is the following correspondence a function?

A. Yes
B. No


Answer: A

Mathematics

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Find the largest open interval where the function is changing as requested.Increasing y = (x2 - 9)2

A. (-?, 0) B. (-3, 0) C. (3, ?) D. (-3, 3)

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Use the Pythagorean Theorem to find the missing length in the right triangle.

A. 2
B. 8
C.
D. 5

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Determine whether the basic feasible solution corresponding to the given tableau is optimal.  x1  x2  x3  x4  M 

A. Optimal B. Not optimal

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Find the exact value. Do not use a calculator.sin ?

A. -1 B. 0 C. 1 D. undefined

Mathematics