Find csc ? if 
and 
.
What will be an ideal response?
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 7, u '(2) = 3, v(2) = -3, v '(2) = -4.
(3v - u) at x = 2
A. -2 B. -9 C. -16 D. -15
Solve the problem. Round to the nearest dollar.A construction company purchased a piece of equipment for $1,610. The expected life is 9,000 hours, after which it will have a salvage value of $290. Find the amount of depreciation for the first year if the piece of equipment was used for 1,700 hours. Use the units-of-production method of depreciation.
A. $177 B. $149 C. $255 D. $304
Determine whether the equation defines y as a function of x.y = -2x2 - 3x - 4
A. No B. Yes
Find the indicated term of the sequence.an = ln en; a45
A. 1 B. 46 C. 45 D. ln 45