Which sequence matches the recursive formula?

an = 2an-1 + 5, where a1 = 5

A)

5, 10, 15, 20, ...

B)

5, 15, 35, 75, ...

C)

5, 15, 25, 35, ...

D)

5, 20, 35, 50, ...

Question

Mathematics

Talan Walter

11 August, 06:37

Which sequence matches the recursive formula?

an = 2an-1 + 5, where a1 = 5

A)

5, 10, 15, 20, ...

B)

5, 15, 35, 75, ...

C)

5, 15, 25, 35, ...

D)

5, 20, 35, 50, ...

+5

Answers (2)

Know the Answer?

Leia Morrow · Answer 1

5,15,35,75 is the answer for your questio

Alyson Calhoun · Answer 2

Hello:

an = 2an-1 + 5, where a1 = 5

n = 2 a2 = 2a1 + 5 = 2 (5) + 5 = 15

n = 3 a3 = 2a2 + 5 = 2 (15) + 5 = 35

n = 4 a4 = 2a3 + 5 = 235) + 5 = 75

answer:

B)

5, 15, 35, 75, ...

Which sequence matches the recursive formula?an = 2an-1 + 5, where a1 = 5A)5, 10, 15, 20, ...B)5, 15, 35, 75, ...C)5, 15, 25, 35, ...D)5, 20, 35, 50, ...

Which sequence matches the recursive formula?

an = 2an-1 + 5, where a1 = 5

A)

5, 10, 15, 20, ...

B)

5, 15, 35, 75, ...

C)

5, 15, 25, 35, ...

D)

5, 20, 35, 50, ...