Find the series' radius of convergence.

A. ?, for all x
B. 0
C. 2
D. 1


Answer: D

Mathematics

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Solve the problem.A force of 1300 lb compresses a spring from its natural length of 19 in. to a length of 13 in. How much work is done in compressing it from 13 in. to 8 in.?

A. 9200 in.-lb B. 18,000 in.-lb C. 0.20 in.-lb D. 2700 in.-lb

Mathematics

Solve the problem.There were 5 yards of fabric on a bolt. After a customer bought  of fabric, how many yards were left?

A. 6 yd
B. 1 yd
C. 3 yd
D.  yd

Mathematics

Solve the inequality and write the solution set in interval notation. ? ? ?

A.
B.
C.
D.
E.

Mathematics

Determine whether F is conservative. If so, find a function f such that F = ?f.

Select the correct answer.

Mathematics