Which of the following represents a horizontal line?
?
A. ?y = 2x
B. ?x = 5
C. ?y = 0
D. ?y = 6 - x
E. ?None of the above.
Answer: C
Mathematics
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Simplify the expression using the power rule.(54)9
A. 513 B. 536 C. 254 D. 2536
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The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B.
f(x) = 
C. 
D. 
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Find the limit algebraically.
A. 0
B. 
C. 1
D. Does not exist
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Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(4x - 1)(x + 4)
A. x2 - 4x + 15 B. x2 + 15x + 14 C. 4x2 + 14x - 4 D. 4x2 + 15x - 4
Mathematics