Sequences Review

What is the 7th term for the rule: 
f(n) = 3(0.8)^n-1

• 0.786
• 0.629
• 14.4
• 2.4

What is the explicit rule for the sequence: 11, 22, 44, 88

• a_n = 2(11)^n-1
• a_n = 11x2
• a_n = 11(2)^n-1

Given 
a_n = 3(2)^(n-1),      
what is the 14th term?

• 14
• 24,576
• 49,152
• 3,188,646

Which sequence is represented by the explicit formula a_n = 2(7)^n-1 ?

• 7, 14, 28, 56...
• 2, 9, 16, 23...
• 2, 14, 98, 686...
• 7,9,11,13...

What is the common difference:
-2, -11, -20, -29...

• Every Number
• 9
• -2
• -9

What is the next term:
6, 12, 18, 24...

• 30
• 32
• 34
• 6

What is the zero term for:
-6, 1, 8, 15...

• 22
• 1
• -12
• -13

Which sequence is arithmetic?

•  4, 8, 16, 32, 64, ...
• 4, 6, 10, 12, 16, ...
•  4, 1, -2, -5, -8, ...
• 4, 2, 1, 1/2, 1/4, ...

Find the missing terms of the arithmetic sequence:
145, ___, ___, ___, 205

• 160, 175, 190
• 155, 165, 175
• 165, 185, 195
• 190, 175, 160

What is the explicit formula for the following sequence: 3, -1, 1/3, -1/9,... 

• a_n = 1/3 ⋅ (3)^n-1
• a_n = 3 ⋅ (1/3)^n-1
• a_n = -1/3 ⋅ (3)^n-1
• a_n = 3 ⋅ (-1/3)^n-1