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anonymous

  • one year ago

Please Help!!! Algebra!!!

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  1. anonymous
    • one year ago
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    Consider the functions f(x) = 3x − 2 and g(x) = x2 − 1. What is the value of f[g(5)]? 312 70 168 −1

  2. anonymous
    • one year ago
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    @Vocaloid

  3. Vocaloid
    • one year ago
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    first find g(5)

  4. anonymous
    • one year ago
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    5x^2 - 5?

  5. Vocaloid
    • one year ago
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    almost, try one more time g(x) = x^2 - 1 g(5) = ?

  6. anonymous
    • one year ago
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    I don't multiply the power by 5, do I?

  7. anonymous
    • one year ago
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    I'm sorry, I'm a history and literature guy, math is not my forte.

  8. Vocaloid
    • one year ago
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    no need to apologize g(x) = x^2 - 1 g(5) just means replace "x" with 5

  9. anonymous
    • one year ago
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    Oh, so 5^2 - 1 = 24?

  10. Vocaloid
    • one year ago
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    great! g(5) = 24 f(g(5)) = f(24) = __?

  11. anonymous
    • one year ago
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    5*24 = 120?

  12. Vocaloid
    • one year ago
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    uh, not quite f(x) = 3x - 2 f(24) = ?

  13. anonymous
    • one year ago
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    3*24 - 2 = 70

  14. Vocaloid
    • one year ago
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    excellent! that's our final answer

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