# What is the equation of the line tangent to # f(x)=x^3+4x^2+3x # at # x=3 #?

Tangent line:

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The equation of the line tangent to f(x)=x^3+4x^2+3x at x=3 is y = 42x - 54.

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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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