Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x7 sin x
A. 7 sin x ln x
B. 7 x7 sin x
C. 7 cos x ln x + 
D. x sin x
Answer: B
Mathematics
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Calculate the value of the given function by using the indicated number of terms of the appropriate series.0.9853 (3 terms)
A. 0.9543250 B. 0.9556750 C. 0.9563500 D. 1.0456750
Mathematics
Add.
A. 117,395 B. 122,396 C. 137,395 D. 127,395
Mathematics
Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. obtuse B. acute C. straight D. right
Mathematics