## The problem

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How come the line is between the 1 & 2x instead of crossing through the 2x on the line?

## Answer provided by our tutors

If you zoom the graph you will see that the graph goes trough (1 1/2, 0) = (1.5, 0)

Since for x = 1 1/2 that is x = 3/2

you will get y = 3*(3/2) - 3, that is, y = 0