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Find f(x) and g(x) so the function can be expressed as y = f(g(x)). y = Two divided by x squared. + 3

Find f(x) and g(x) so the function can be expressed as y = f(g(x)). y = Two divided by x squared. + 3
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5 votes
Find f(x) and g(x) so the function can be expressed as y = f(g(x)).

y = Two divided by x squared. + 3

User Katz
by
8.6k points

1 Answer

5 votes
y=2/(x^2 +3)
g(x) = x^2 + 3 and f(x) = 2/x
fog(x) = f[g(x)]
= f(x^2 + 3)
= 2/(x^2 + 3)
User Gangesh
by
8.9k points
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