# What is the equation of the tangent line of # f(x)=1/x+1 # at # x=2 #?

We need to know m, its gradient, and a point in order to find the equation of the tangent. f'(2) will provide the value of m, and evaluating f(2) will result in a point on the line.

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The equation of the tangent line of f(x)=1/x+1 at x=2 is y = -1/4x + 3/2.

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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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