Question

In 1920, the record for a certain race was 45.4 sec. In 1980 it was 44.2 sec. Let R(t) = the record in the race and t = the nbr of years since 1920.

R(t) = ?
Predicted record for 2003?
2006?

In what year will the predicted record be 43.64 seconds?

Answer 1

Saifoo already explained this >.< use slope formula

Answer 2

Yea, he's by boo. But I need specifics.

Answer 3

LOL.

Answer 4

Do you mean (1/2)t -45.4?

Answer 5

can u see a "/" ??

Answer 6

oh, I meant +

Answer 7

Lol, that is a Decimal.

Answer 8

A) R(t)= (-1.2)t+45.4

it will be this

Answer 9

are u solving?

Answer 10

What is the predicted record for 2003? 2006? And in what year will the predicted record by 43.64?

Answer 11

Of course I am solving....LOL

Answer 12

I just don't solve correctly.

Answer 13

hahaha

Answer 14

Lol.

Answer 15

It won't let me go to another q

Answer 16

uestion until I solved this one.

Answer 17

wait. im solving.

Answer 18

you da bomb...

Answer 19

this is confusing me too! >.<

Answer 20

let screw this one and move on!

Answer 21

okay....

Answer 22

hey, i got the answers!

Answer 23

oh, it won't let me. because I already anwered the first one.

Answer 24

Awesome!

Answer 25

is that a 2points question??
i will solve as i come back from peeing.

Answer 26

LOL

Answer 27

That's funny....

Answer 28

I will wait.

Answer 29

LOL

Answer 30

\[\huge \Back\]

Answer 31

Do you remember what my question was?

Answer 32

OMG, my Ralphie is chewing on my toes...

Answer 33

A) R(t)= (-0.02)t+45.4

Answer 34

this is the function!

whoz Ralphie?
what ques?

Answer 35

Ralphie is one of my kittens.

Answer 36

What is the predicted record for 2003?

Answer 37

OMG....He is chewing up my feet!!!

Answer 38

He is SOOOOOOOO adorable.

Answer 39

Khan? where are you?