# How do you find the derivative of #f(x)=sqrt(x)# ?

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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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- Using the limit definition, how do you find the derivative of #F(x)=x^3−7x+5#?
- At how many points on the curve #y = 4x^5-3x^4+15x^2+6# will the line tangent to the curve pass through the origin?
- What is the equation of the tangent line of #f(x) =(4x) / (3-4x^2-x) # at # x = 1#?
- How do you find the derivative of #f(x)=4/(sqrtx-5)# using the limit definition?

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