Find the derivative.s = t7cos t - 5t sin t - 5cos t
A. t7 sin t - 7t6 cos t + 5t cos t
B. - 7t6 sin t - 5 cos t + 5 sin t
C. - t7 sin t + 7t6 cos t - 5t cos t - 10 sin t
D. - t7 sin t + 7t6 cos t - 5t cos t
Answer: D
You might also like to view...
Solve the inequality.x2 - 3x ? 0
A. x ? -3 or x ? 0 B. 0 ? x ? 3 C. -3 ? x ? 0 D. x ? 0 or x ? 3
Evaluate the determinant.
A. -67 B. 288 C. -72 D. 72
Wood deposits recovered from an archeological site contain 24% of the carbon 14 they originally contained. How long ago did the tree from which the wood was obtained die? Hint: the decay constant k for carbon 14 is equal to 0.00012. ?
A. The tree died 11,893 year(s) ago. B. The tree died 13,425 year(s) ago. C. The tree died 8,437 year(s) ago. D. The tree died 10,770 year(s) ago.
Solve the problem.Write an equivalent statement using the distributive property.10
+ 8
=
A. 
B. 
C. 
D. 
