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keeponbleeding

  • 2 years ago

Find f(x) and g(x) so the function can be expressed as y = f(g(x)). y = 8/(x^2)+4

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  1. JamesWolf
    • 2 years ago
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    f(x) = 8/x + 4 g(x) = x^2

  2. keeponbleeding
    • 2 years ago
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    can you just explain that for me simply?

  3. JamesWolf
    • 2 years ago
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    well, you just need to pick any bit of the equation with x in it. so i could have picked 8/(x^2) and this is the inner function g(x). then make whatevers left the outer function f(x) = x + 4 in this case.

  4. keeponbleeding
    • 2 years ago
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    ok so if I have y=2/(x^2) +3 following what you said: f(x)= 2/x +4 and g(x)=x^2 would be correct?

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