Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u(u - 1), u = x2 + x
A. 4x3 + 6x2 - 2x
B. 4x3 + 6x2 - 1
C. 2x2 + 4x + 1
D. 2x2 + 4x
Answer: B
Mathematics
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Use arithmetic operation signs such as +, -, ? and ÷ between the values to produce the desired result. You may use parentheses as well.390 __ 13 __ 5 __ 3 = 22
A. 390 ÷ 13 - 5 - 3 = 22 B. 390 ÷ (13 - 5 + 3) = 22 C. 390 - 13 ? 5 ? 3 = 22 D. 390 ÷ 13 - (5 - 3) = 22
Mathematics
Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 27 B. 162 C. 9 D. 54
Mathematics
The tension T at each end of the chain has magnitude 27 N and makes an angle ?a=27 °with the horizontal. What is the weight of the chain? Round the result to the nearest hundredth.
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Mathematics
Solve. Clear fractions first.x + 
+ 
x = 
+ 
x
A. 
B. 
C. 
D. 
Mathematics