Series and Sequences

What is the next term in the series? 15, 35, 55...

• 55

• 15

• 32

• 75

Write the recursive formula for 4, 8, 12....

• a_n=a_n-1-7

• a_n=a_n-1-4

• a_n=a_n-1+3

• a_n=a_n-1+4

Write the recursive formula of 13, 9, 5...

• a_n=a_n-1-4

• a_n=a_n-1+3

• a_n=a_n-1-5

• a_n=a_n-1+4

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11

• a_n=a_n-1-4

• a_n=a_n-1+9

• a_n=a_n-1+6

What is the explicit form of the following equation?
a_n = 4a_n-1 ; a₁ = 5

• 4 (5)^n-1

• 5 (4)^n-1

• 5 + 4n

• 4 + 5n

What is the explicit form of the following equation?
a_n = a_n-1 - 3; a₁ = 4

• 3 (4)^n-1

• 4 (-3)^n-1

• 4 - 3(n-1)

• 4 + 3(n -1)

Determine if the series converges or diverges

• Converges

• Diverges

Determine if the series converges or diverges

• Converges

• Diverges

Determine if the series converges or diverges

• Converges

• Diverges

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81

• 79, 88, 97

• 70, 79, 88

• 61, 70, 79