# For #f(x) =(5+4x)^2#, what is the equation of the line tangent to #x =7#?

First find the slope at

hope that helped

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The equation of the line tangent to f(x) = (5+4x)^2 at x = 7 is y = 320x - 1925.

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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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