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