What is a Normal Line to a Tangent?
A normal line is the line perpendicular to a tangent line at the point of contact.
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A normal line to a tangent is a line that is perpendicular to the tangent line at the point of tangency.
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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.
- How do you find the slope of the tangent line to the parabola #y = x^2 + 3x# at the point (-3, 0)?
- Let #f# be the function given by #f(x) = 2x^4-4x^2+1#. What is an equation of the line tangent to the graph at #(-2,17)#?
- If #y= -1/3x + k# is tangent to #x^2+y^2=1# in the first quadrant, what is k?
- How do you write the slope of the line tangent to #g(x)=5-x^2# at the point (2,1)?
- How do you find the equation of the tangent line to the curve #f(x)= (x+1)/(x+2)# at x=0?

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