Find the derivative of: y=−4e−7xcos(−6x)\displaystyle {y}=-{4}{e}^{{-{7}{x}}}{\cos{{\left(-{6}{x}\right)}}}y=−4e−7xcos(−6x).
dydx=\displaystyle \frac{{\left.{d}{y}\right.}}{{\left.{d}{x}\right.}}=dxdy= Preview Question 6 Part 1 of 2
Now, find the equation of the tangent line to the curve at x=0\displaystyle {x}={0}x=0. Write your answer in mx+b\displaystyle {m}{x}+{b}mx+b format.
y=\displaystyle {y}=y=Preview Question 6 Part 2 of 2
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