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

A. {x|x ? 0, 16}
B. {x|x ? -4, 4, -2}
C. {x|x ? -4, 4}
D. all real numbers


Answer: C

Mathematics

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A.
B.
C.
D.
E.

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Find the function with the given derivative whose graph passes through the point P.f'(x) = x2 + 4, P(3, 44)

A. f(x) =  + 4x
B. f(x) = x3 + 4x + 5
C. f(x) =  + 4x + 23
D. f(x) = x3 + 4x2 + 23

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Solve the problem.A store is discounting all regularly priced items by 30%. (i) Find a function f that computes the sale price of an item having a regular price of x. (ii) Find the regular price of an item that costs $78.46 on sale.

A. f(x) = 0.3 + x; $78.16 B. f(x) = 0.3x; $261.53 C. f(x) = x - 0.3x; $112.09 D. f(x) = x - 0.3; $78.76

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Subtract and simplify. -  

A.  
B.  
C.  
D.  

Mathematics