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Spriteness

Let f(x)=4x-8. Find (f * f)(7)

  • 2 years ago
  • 2 years ago

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  1. cathyangs
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    is the * a multiplication sign or a circle-type sign?

    • 2 years ago
  2. Spriteness
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    A multiplication symbol :]

    • 2 years ago
  3. cathyangs
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    then it's: (4(7)-8)*(4(7)-8) which you know how to simplify, right?

    • 2 years ago
  4. Spriteness
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    I don't think so because I keep getting an answer of 400

    • 2 years ago
  5. cathyangs
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    that's right. :D

    • 2 years ago
  6. Spriteness
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    I don't think so because i put that it in and it said the answer was 72?

    • 2 years ago
  7. cathyangs
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    ...? @.@

    • 2 years ago
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