Determine whether the relation is a function.{(-7, -3), (-7, 8), (2, -1), (5, -9), (9, 2)}

A. It is a function. 
B. It is not a function.


Answer: B

Mathematics

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Multiply.(-1)(-5.78)

A. 5.78 B. 1 C. -1 D. -5.78

Mathematics

Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse with y-intercepts ±6; foci at  and .

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Simplify. ÷ 

A.
B.
C.
D.

Mathematics

Find the domain of the rational function.h(x) = 

A. all real numbers B. {x|x ? 0, x ? -64} C. {x|x ? -8, x ? 8, x ? -3} D. {x|x ? -8, x ? 8}

Mathematics