Find a formula for an ?for the arithmetic sequence.
?
a1 = 8, a4 = 18
?

A. a? + 14n
B. a?= - 14n
C. a?n - 
D. a? n + 14
E. a?n + 


Answer: E

Mathematics

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Evaluate the integral.

A. -  - tan-1 + C
B.  - tan-1 + C
C.  + ln + C
D.   + tan-1 + C

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Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers.  +

A. 5x + y3
B. (5x + y9)
C. (5x + y3)
D. (5x3 + y3)

Mathematics

Consider . Which of the following is true?

A. The limit exists and is equal to zero. B. none of these C. The limit exists and is equal to one. D. The limit exists and is equal to two. E. The limit diverges.

Mathematics

Factor.s8 - t14

A. (s6 - t12)2 B. (s4 - t7)2 C. (s6 + t12)(s6 - t12) D. (s4 + t7)(s4 - t7)

Mathematics