Question

The table shows the total number of cupcakes y Lucas plans to buy if x guests are coming to his birthday party. Using the function rule shown by the table, what will the dependent variable be when the independent variable is 9?

Answer 1

^

Answer 2

@UnkleRhaukus

Answer 3

@Hero

Answer 4

can you find the function rule?

Answer 5

adding 9 from the right side to the left side

Answer 6

or sorry from the left side to the right side

Answer 7

the function rule will be something like this

y=mx+b

Answer 8

hmmm

Answer 9

you need to find the numbers m, and b

Answer 10

one is 9

Answer 11

whats the other

Answer 12

ummm idk

Answer 13

2

Answer 14

that dosen't fit the datq

Answer 15

i know ummm im thinking

Answer 16

do you know it

Answer 17

yeah

Answer 18

ok

Answer 19

you can find m by comparind the change in y as x changes

Answer 20

wait are both of them 9

Answer 21

in the table, x is changing by 2 each time, how much is y changing by?

Answer 22

9

Answer 23

no No NO

Answer 24

no y is changing by 2 to

Answer 25

m= (change in y)/(change in x)

Answer 26

m=2/2

Answer 27

so its 2 divided by two wich will give us 1

Answer 28

can you work out the function rule now?

Answer 29

m=y/x