Provide an appropriate response.Find the extrema of f(x, y, z) = x + yz on the line defined by x = 3(8 + t), y = t - 3, and z = t + 8. Classify each extremum as a minimum or maximum. (Hint: w = f(x, y, z) is a differentiable function of t.)
A. (36, 1, 12), minimum
B. (12, -7, 4), minimum; (36, 1, 12), maximum
C. (12, -7, 4), minimum
D. (36, 1, 12), minimum; (0, -3, 0), minimum
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Evaluate the integral.
A. - 
+ 
ln
+ C
B. - 
+ 
tan-1 
+ C
C. 
+ 2tan-1
+ C
D. - 
+ 
tan-1
+ C
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Perform the indicated clock arithmetic.(-7) ? 6 (12-hr clock)
A. 6 B. Does not exist C. 4 D. 5
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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 6x - 6
A. Yes B. No
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