maddiehamilton750 maddiehamilton750

20-01-2019
Mathematics

contestada

Find f(x) and g(x) so that the function can be described as y=f(g(x)). Y=2/x^2+9

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jdoe0001 jdoe0001

20-01-2019

[tex]\bf \begin{cases} f(x)=\cfrac{2}{x}\\[1em] g(x)=x^2+9 \end{cases}~\hspace{5em}f(~~g(x)~~)=\cfrac{2}{g(x)}\implies f(~~g(x)~~)=\cfrac{2}{x^2+9}[/tex]

that's one combination for f(x) and g(x), off many combinations.

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