Question

Write a recursive definition for the sequence 11, 8, 5, 2...
a1=11, an=a(n-1)-4
a1=11, an=a(n-1)-3
a1=2, an=a(n-1)-3
a1=2, an=a(n-1)+3

Answer 1

\[a _{1}=11, a _{n}=a _{n-1}-4\]

Thats what what the options look like in the question above^

Answer 2

Do you see a common subtraction/addition happening from term to term?

Answer 3

Yes, 3

Answer 4

and what do you think a1 (the first term) is?

Answer 5

Im guessing 11, but im not too sure

Answer 6

Or is it -2?

Answer 7

\[\large {5,6,7,8,9} \]\[\large {a_1 = 5} \]\large {a_2 = 6} \]

etc.

Answer 8

it's the first term in teh sequence, so 11

Answer 9

ah i see, i thought so.

Answer 10

so yeah, B. ♥♥

Answer 11

which leaves us with the answers, a or b?

Answer 12

♥

Answer 13

OHH!!! that was easy lol thank you bibby ♥♥♥♥♥

Answer 14

it's a1=11, an=a(n-1)-3
as a1 = 11 and every term is the term before it minus 3

Answer 15

That was too easy bib, i look like such a fool with my ignorance. Would you mind helping me with another one? Last one.

Answer 16

maybe. would you mind "helping me"?

Answer 17

lmao, it depends

Answer 18

give me a hand buddy boy

Answer 19

Those were the old days bib, I changed my ways. I'm a follower of Christ now.

Answer 20

No handjobs necessary, post the question bby

Answer 21

lmao will do.

Answer 22

Suppose you drop a tennis ball from a height of 9 feet. After the ball hits the floor, it rebounds to 80% of its previous height. How high will the ball rebound after its third bounce? Round to the nearest tenth.
5.8 feet
1 feet
4.6 feet
7.2 feet

Answer 23

The first bounce is 9
The second bounce is 80% of 9.

What is 80% of 9?

Answer 24

7.2..... jesus christ that was easy

Answer 25

not yet

Answer 26

learn to read ytou spic

Answer 27

the third bounce is 80% of 7.2

Answer 28

lmao im sorry

Answer 29

and correct

Answer 30

<3. 0.8*7.2=?

Answer 31

5.76 ♥

Answer 32

which rounds to 5.8 ♥

btw that's a geometric series with the common ratio 80%/0.8
9,7.2,5.76,... etc.

Answer 33

Ohhh i see, still easy. Sorry homeschooling is a bit challenging for me. I need to be taught by a teacher to learn. I'm not good with self instructions. Thank you bib ♥

Answer 34

I love you dude. Any time ♥

Answer 35

I'm considering giving you "a hand" now ☺☻♥