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babydoll332

  • 3 years ago

Perform the requested operation or operations. f(x) = x-5/8 ; g(x) = 8x + 5, find g(f(x)).

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  1. ryclark
    • 3 years ago
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    g(f(x))=8(x-5/8) + 5 = 8x

  2. babydoll332
    • 3 years ago
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    i dont think thats it

  3. ryclark
    • 3 years ago
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    "g(f(x))" says compose g(x) of f(x), which means (literally) plug f(x) into g(x) for x in the equation g(x)

  4. babydoll332
    • 3 years ago
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    well these are my anserws g(f(x)) = x - 5/8 g(f(x)) = x g(f(x)) = 8x + 35 g(f(x)) = x + 10

  5. ryclark
    • 3 years ago
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    is the problem f(x) = (x-5)/8, or f(x) = x- (5/8) ?

  6. babydoll332
    • 3 years ago
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    (x-5)/8

  7. ryclark
    • 3 years ago
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    oh! well then my first response was wrong, sorry; g(f(x)) = 8((x-5)/8)+5 = ((8x-40)/8)+5 = (x-5)+5 = x

  8. babydoll332
    • 3 years ago
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    thanks girlyyyy <3

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