anonymous
  • anonymous
Please Help!!! Algebra!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Consider the functions f(x) = 3x − 2 and g(x) = x2 − 1. What is the value of f[g(5)]? 312 70 168 −1
anonymous
  • anonymous
@Vocaloid
Vocaloid
  • Vocaloid
first find g(5)

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anonymous
  • anonymous
5x^2 - 5?
Vocaloid
  • Vocaloid
almost, try one more time g(x) = x^2 - 1 g(5) = ?
anonymous
  • anonymous
I don't multiply the power by 5, do I?
anonymous
  • anonymous
I'm sorry, I'm a history and literature guy, math is not my forte.
Vocaloid
  • Vocaloid
no need to apologize g(x) = x^2 - 1 g(5) just means replace "x" with 5
anonymous
  • anonymous
Oh, so 5^2 - 1 = 24?
Vocaloid
  • Vocaloid
great! g(5) = 24 f(g(5)) = f(24) = __?
anonymous
  • anonymous
5*24 = 120?
Vocaloid
  • Vocaloid
uh, not quite f(x) = 3x - 2 f(24) = ?
anonymous
  • anonymous
3*24 - 2 = 70
Vocaloid
  • Vocaloid
excellent! that's our final answer

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