+0 pts /800 < Question 7 of 8 > Find the inverse $$f^{-1}$$ of $$f(x) = \frac{x-9}{1+4x}$$. (Express numbers in exact form. Use symbolic notation and fractions where needed.) $$f^{-1}(x) =$$ Resources Al Tutor Submit An
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The functions in Exercises 11–28 are all one-to-one. For each function, a. Find an equation for $f^{-1}(x),$ the inverse function. b. Verify that your equation is correct by showing that $f\left(f^{-1}(x)\right)=x$ and $f^{1}(f(x))=x.$ $$f(x)=\frac{4}{x}+9$$
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