keeponbleeding
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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dumbcow
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g(x) = x^2
f(x) = 2/(x+9)

surdawi
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@keeponbleeding what are the choices?

keeponbleeding
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wait how did that happen?

keeponbleeding
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no multiple choices

surdawi
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is that y?
\[y = \frac{ 2 }{ x^2 }+9\]

keeponbleeding
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yes

dumbcow
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y = f(g(x)) means that g(x) is input for variable of f(x)
say f(x) = 2/? + 9 , this is general form so ? must be x^2
thus
g(x) = x^2

keeponbleeding
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thanks! got it