Graph the hyperbola.xy = -10

A.

B.

C.

D.


Answer: A

Mathematics

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Use cross products to determine whether the pair of fractions is equivalent.  and  

A. not equivalent B. equivalent

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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.

A.
B. 6
C. b
D.

Mathematics

For the given functions f and g, find the requested function and state its domain.f(x) = 5x - 7; g(x) = 3x - 2Find f - g.

A. (f - g)(x) = 2x - 9; {x|x ? }
B. (f - g)(x) = 2x - 5; all real numbers
C. (f - g)(x) = 8x - 9; {x|x ? 1}
D. (f - g)(x) = -2x + 5; all real numbers

Mathematics

Express the sum using summation notation. +    +   + ... + 

A.
B.
C.
D.

Mathematics