# Compute \triangle y and dy for the given values of x and dx=\triangle x PS

Compute $$\displaystyle\triangle{y}$$ and dy for the given values of x and $$\displaystyle{\left.{d}{x}\right.}=\triangle{x}$$
$$\displaystyle{y}={x}^{{2}}-{4}{x},{x}={3},\triangle{x}={0},{5}$$
$$\displaystyle\triangle{y}=???$$
dy=?

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To compute: