Question $1(1$ point$)$

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Find the derivative of the following function using the limiting process.

$f(x)=\frac{1}{x^4}$

$f^{\text{'}}(x)=\frac{4}{x^5}$

$f^{\text{'}}(x)=-\frac{4}{x^3}$

$f^{\text{'}}(x)=\frac{4}{x^3}$

$f^{\text{'}}(x)=-\frac{5}{x^5}$

$f^{\text{'}}(x)=-\frac{4}{x^5}$