How do you graph #y=4#?
E.g. (1,4). (7,4). (-2,4) (0,4)
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It's a horizontal line parallel to the x-axis 4 units up
graph{0x+4 [-10, 10, -2, 6]}
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The graph of y = 4 is a horizontal line parallel to the x-axis, passing through the point (0, 4).
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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