The amount of snow on the ground when the storm started is the y- intercept of graph which is 5 inches.
The y- intercept of a graph gives the value y when the value of x = 0.
- The y - intercept is the point where the plotted line intersects the y - axis.
- This is a reasonable value because, the point 0 depicts the time the snow started to fall.
- The y - axis represents the amount of snow on the ground in inches, therefore, the value on the y-axis when x = 0, should give the appropriate answer.
- Hence, amount of snow when the snow started was 5 inches.
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