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Mandy86 Group Title

For the given functions f and g , find the indicated composition. f(x) = 3x + 9, g(x) = 5x - 1 (fg)(x) A) 15x + 12 B) 15x + 8 C) 15x + 6 D) 15x + 44

  • one year ago
  • one year ago

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  1. swissgirl Group Title
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    ok so another way to look at this is f(g(x)) Our x variables get replaced with g(x) f(5x-1) So you replace your x variables in f(x) with 5x-1

    • one year ago
  2. swissgirl Group Title
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    f(5x-1)=3(5x-1)+9

    • one year ago
  3. Mandy86 Group Title
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    OH thats right I was trying to disturbte them

    • one year ago
  4. Mandy86 Group Title
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    thank you!

    • one year ago
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spraguer (Moderator)
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