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mr_godi [17]
3 years ago
9

How do you solve this?

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
7 0
By using calculator.Just type in the question because they are all just numbers
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We have f(x)=\dfrac{x+5}{3x-1}.

To find inverse function f^{-1}(x) we substitute x with f^{-1}(x) and vice-versa to get

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x=\dfrac{j+5}{3j-1} \\x(3j-1)=j+5 \\3jx-x=j+5 \\3jx-x-j-5=0 \\3jx-j=x+5 \\j(3x-1)=x+5 \\j=\dfrac{x+5}{3x-1}

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