Simplify.
- 
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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For what value of x does 
reach a minimum? Restrict your attention to the horizontal span of 0 to 11. Round your answer to two decimal places.
?
A. 2.42 B. 4.27 C. 0.78 D. 7.33
Mathematics
Find the gradient field F of the function f.f(x, y, z) = 
8
A. F = 8
7i + 
j + 8
k
B. F = 8
7i + 
j + 8
k
C. F = 8
7i + 
j - 8
k
D. F = 
i + 
j - 8
k
Mathematics
Add and, if possible, simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the stock turnover at cost and at retail. Round to the nearest hundredth.
A. Turnover at cost = 2.90 Turnover at retail = 2.92 B. Turnover at cost = 2.14 Turnover at retail = 3.96 C. Turnover at cost = 2.92 Turnover at retail = 2.90 D. Turnover at cost = 1.37 Turnover at retail = 1.36
Mathematics