Find ?f.f(x, y, z) = ln (x7 + y4 + z5)
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
ln ( y4 + z5)i + 
ln (x7 + z5)j + 
ln ( x7 + y4)k
Answer: C
Mathematics
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A. 
B. 
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
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Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
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Find an equation for the line. Write the equation in standard form.Through (-6, -8) and (-4, 1)
A. 9x - 2y = -38 B. -9x - 2y = -38 C. 2x - 5y = 3 D. -2x + 5y = 3
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