# How do you find the derivative of #y =sqrt(2)#?

Recall that a function's derivative provides information about its slope; since a constant function's graph is a horizontal line with a slope of zero, any constant function has a derivative of zero.

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To find the derivative of ( y = \sqrt{2} ), you can treat ( \sqrt{2} ) as a constant since it is a fixed value. The derivative of a constant is zero. Therefore, the derivative of ( y = \sqrt{2} ) is ( \frac{dy}{dx} = 0 ).

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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.

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