Find the interval of convergence of the power series . (Be sure to include a check for convergence at the endpoints of the interval.)

A.
B.
C.
D.
E.


Answer: D

Mathematics

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Find the exact value of the expression.tan 105°

A. 2 + 
B.
C. -2 - 
D.

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Solve the problem.George Higgendorf sells used books. He had start-up costs of $2000 and pays $3.00 for each book. He sells each book for $6.25. Express the revenue R as a function of x, where x represents the number of books sold.

A. R(x) = 9.25x B. R(x) = 3.00x C. R(x) = 6.25x D. R(x) = 2000x

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Multiply.(a + 4)(a - 4)(a2 + 16)

A. a4  - 32a2 + 256 B. a4 + 256 C. a4  + 32a2 - 256 D. a4 - 256

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Find the part.10% of 600 factories

A. 6 factories B. 0.6 factories C. 600 factories D. 60 factories

Mathematics