Divide.
A. -4x3y3 - 5xy + 
B. -4x3y7 - 5x3y4 + 
C. -20x3y3 - 25xy + 4
D. -4x3y3 - 5xy5 + 
Answer: A
Mathematics
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Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(3x3y7)-2
A. 
B. 
C. 
D. 9x6y14
Mathematics
Using the restrictions stated for the function, find a rule for f-1.f(x) = -x2 + 2, x ? 0
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = 
D. f-1(x) = x2 + 2
Mathematics
Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = 11(x - 3)2 + 7
A. x = -3 B. x = 11 C. x = 7 D. x = 3
Mathematics
Write the improper fraction as a mixed or whole number.
A. 5
B. 56
C. 
D. 56
Mathematics