Simplify. Leave answer in exponential form with positive exponents only. Assume that all variables represent nonzero quantities.(-8x)-4
A. 
B. 84x4
C. - 
D. 
Answer: D
Mathematics
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Determine whether the equation defines y as a function of x. x = y2
A. function B. not a function
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Find all values that make the expression undefined.
A. 4 B. 0.25 C. Never undefined D. 0
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Round the number as indicated.7939 to the nearest hundred
A. 7910 B. 7800 C. 7900 D. 8000
Mathematics
Perform the indicated operation.(-9y + 9) + (-5y2 + 5y - 2)
A. -5y2 + 4y + 7 B. -14y2 - 5y + 7 C. -5y2 - 4y + 7 D. -5y2 - 4y + 11
Mathematics