Find the value for the function.Find f(x + 1) when f(x) = .

A.
B.
C.
D.


Answer: A

Mathematics

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Evaluate the integral.dx

A.  cot4 x sec x + C
B. -  cot2 x - ln  + C
C.  cot4 x + C
D.  cot2 x + ln  + C

Mathematics

Rationalize the denominator.

A.
B. 9
C. 9
D.

Mathematics

Find the domain of the logarithmic function.f(x) = log(x - 4)

A. (4, ?) B. (-?, 0) ? (0, ?) C. (-4, ?) D. (-?, 4) ? (4, ?)

Mathematics

Solve the problem.It is estimated that the total value of a stamp collection is given by the formula  where t is the number of years from now. If the inflation rate is running continuously at 4% per year so that the (discounted) present value of an item that will be worth $v in t years' time is given by  Sketch the graph of the discounted value as a function of time at which the stamp collection is sold. The graph has an absolute maximum at (0, 41,200), and a local maximum at one other point. What is the value of t at the local maximum? What is the discounted

value of the collection at that time?

A. ; at which time the discounted value is .
B. ; at which time the discounted value is .
C. ; at which time the discounted value is .
D. ; at which time the discounted value is .

Mathematics