# How do you find the average rate of change of #f(t)= t^2 -3# from [2,2.1]?

Use the definition: the average rate of change of

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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.

- How do you find the equation of the tangent line to the curve #y=x^4+2x^2-x# at (1,2)?
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- What is the equation of the line that is normal to #f(x)= (x-3)^2-2x-2 # at # x=-1 #?
- Where is Rolle's Theorem true?
- How do you find the equations of the two tangents to the circle #x^2 + y^2 - 2x - 6y + 6 = 0# which pass through the point P(-1,2)?

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