Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (7x + 3)x
A. ln (7x + 3) + 
B. (7x + 3)x
C. (7x + 3)x
D. x ln (7x + 3)
Answer: B
Mathematics
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Find the sum or difference. Write the answer in standard form.(6 - 9i) + (3 + 6i)
A. 9 + 3i B. 9 - 3i C. -9 + 3i D. 3 + 15i
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Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
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Solve. Provide answers in interval notation.25 - x2 ? 0
A. [-5, 5] B. [5, ?) C. (-?, -5] ? [5, ?) D. (-5, 5)
Mathematics
Solve the problem.The length of the diagonal of a box is given by D = 
where L, W, and H are the length, width, and height of the box. Find the length of the diagonal, D, of a box that is 
long, 
high, and 
wide. Give the exact value.
A. 10 ft
B. 4
ft
C. 6 ft
D. 32 ft
Mathematics