Subtract.-80 - (-59)

A. -139
B. -21
C. 139
D. 21


Answer: B

Mathematics

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A.  = -  = - 
B.  = -  = - 
C.  =  = 
D.  = -  = - 

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A. {-25} B. {25} C. {55} D. ?

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

A. All real numbers except  and - 
B. All real numbers
C. All real numbers except 14
D. All real numbers except 7

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Find the vertex of the parabola.f(x) = x2 - 5

A. (-5, 0) B. (0, -5) C. (5, 0) D. (0, 5)

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