What is the y intercept of y=4x

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  (0, 0)

Step-by-step explanation:

The y-intercept is the value of y where the line crosses the y-axis. In the form ...

  y = mx + b

the y-intercept is the value of b.

Comparing the given equation to this form, we see that b = 0.

The y-intercept is y=0; the point is (0, 0).

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:

what is the model?

step-by-step explanation: