Which simplified equation is equivalent to the one below

I think it might be A

because

if we rearrange the equation we get

4x+x+4x-3-9 =6

and if we simplify that we get

9x-12=6

2

step-by-step explanation:

vvvvv

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: