Determine whether the equation defines y as a function of x.x + y = 9

A. y is a function of x
B. y is not a function of x


Answer: A

Mathematics

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Determine whether the relation is also a function.{(-5, -7), (-2, 1), (4, 3), (4, 2)}

A. yes B. no

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Multiply.

A. 623,960 B. 624,960 C. 634,960 D. 625,060

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Use half-angle identities to find the exact value of the expression.sin (-112.5°)

A. -  
B.  
C.  
D. -  

Mathematics

Find the product of the complex number and its conjugate.-2 + 7i

A. 54 B. 56 C. -45 D. 53

Mathematics