Find fx.f(x, y) = (x + y) ln (xy)
A. fx(x, y) = x ln (xy) + 
B. fx(x, y) = ln (xy) + 
C. fx(x, y) = x ln (xy) + 
D. fx(x, y) = y ln (xy) + 
Answer: B
Mathematics
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Simplify by factoring out the given factor.x4/5 + 3x2/5; x2/5
A. x2/5(x-2/5 + 3) B. x2/5(x2/5 + 3) C. x1/5(x2/5 + 3) D. x1/5(x4/5 + 3)
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Find the slope of the line through the pair of points.(2, 0) and (0, 9)
A. 
B. - 
C. 
D. - 
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Determine which of the following three propositions are equivalent.
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a. (a) and (b)
b. (a) and (c)
c. (b) and (c)
d. all three are equivalent
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Write in decimal notation.3.0858 × 10-7
A. 0.0000030858 B. 0.00000030858 C. 0.000000030858 D. -308580,000
Mathematics