The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern., ...

A. an = 
B. an =  n-1
C. an = 
D. an = 


Answer: C

Mathematics

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Find the derivative.y = x7 

A. x7 
B. x6 
C. 14x6 
D. x8

Mathematics

Solve the problem.An election is held among six candidates. What is the total number of pairwise comparisons in this election?

A. 62
B. 26
C.
D. 6
E. 2 × 6

Mathematics

Solve the equation by multiplying both sides by the LCD.x = -1 + 

A.
B. {-6, 5}
C. {-5, -6}
D.

Mathematics

First, use front end rounding to estimate each answer. Then find the exact answer.If 67 members of a charity raise an average of , what is the total amount of money raised?

A. estimate: $100 ? 67 = $6700; exact: $7839 B. estimate: $100 ? 70 = $7000; exact: $7839 C. estimate: $117 ? 70 = $8190; exact: $7839 D. estimate: $120 ? 70 = $8400; exact: $7839

Mathematics