Sequences & Series

• A.
• B.
• C.
• D.

• 196
• 392
• 49
• 254

Q1. What is the value of x?

• A) 360

• B) 128

• C) 348

• D) 124

• n + 4
• 2n + 1
• 4n - 1
• 4n + 19

• 1, 3, 6, 9, 12,...
• 1, 3, 9, 27, 81, ...
• 3, 2, 1, 0, -1, ...
• 2, 6 18, 54, 162, ...

• 2450
• 4800
• 2400
• 9700

• 17
• 32
• 42
• 52

f(n) = 200 + 50n

• f(n) = 200 + 50n

• f(n) = 200 - 50n 

• f(n) = 200 + 50(n - 1)

• f(n) = 200 - 50(n - 1)

Q1. What is the answer to life, the universe, and everything?

• 1) 130

• A) 42

• 2) 260

• C) 50

Find the explicit rule for an arithmetic sequence if the 6th term is -38 and the 14th term is -110

• a_n=7-9(n-1)

• a_n=-9+7(n-1)

• a_n=-83+9(n-1)

• a_n=9-83(n-1)