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keeponbleeding

  • 3 years ago

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.

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  1. keeponbleeding
    • 3 years ago
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    f(x) = 2/x and g(x) = 2/x

  2. amorfide
    • 3 years ago
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    f(g(x)) well if you had f(3) you would substitute 3 into where you find x so you have f(g(x)) so substitute g(x) where you find x in f(x) this means you are substituting the function g(x) into f(x)

  3. ParthKohli
    • 3 years ago
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    \[\rm f(g(x)) = {2 \over \large {2 \over x}}\]and\[\rm g(f(x)) = {2 \over \large{2 \over x}}\]Simplify.

  4. amorfide
    • 3 years ago
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    @ParthKohli PARTH YOU ARE ALIVE

  5. ParthKohli
    • 3 years ago
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    @amorfide YA I AM BACK FROM THE DEAD

  6. keeponbleeding
    • 3 years ago
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    ummm x for both???

  7. amorfide
    • 3 years ago
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    showing that f(g(x)) = x and g(f(x)) = x. that is exactly what you should get well done

  8. keeponbleeding
    • 3 years ago
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    thanks! (that was easier than I thought) ^^

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