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Given the f(x)=x+2 g(x)=3x²-1 what is (fg) (x)?
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Given the f(x)=x+2 g(x)=3x²-1 what is (fg) (x)?

User Eben
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1 Answer

19 votes
19 votes

Answer:

  • (f·g)(x) = 3x² + 1

Explanation:

Given:

  • f(x)=x+2, g(x)=3x²-1

To find:

  • (f·g) (x) = ?

Solution:

  • (f·g)(x) = f(g(x)) = f(3x²-1) = (3x²-1) + 2 = 3x² + 1
  • (f·g)(x) = 3x² + 1

User Hericks
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