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The function f is defined by f(x)=2x+5/x+4 find f (3x)
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The function f is defined by f(x)=2x+5/x+4 find f (3x)

User Dave Tapson
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1 Answer

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Answer:


\displaystyle f(3x) = (6x + 5)/(3x + 4)

General Formulas and Concepts:

Algebra I

  • Functions
  • Function Notation

Explanation:

Step 1: Define

Identify


\displaystyle f(x) = (2x + 5)/(x + 4)

Step 2: Find

  1. Substitute in x [Function f(x)]:
    \displaystyle f(3x) = (2(3x) + 5)/(3x + 4)
  2. Simplify:
    \displaystyle f(3x) = (6x + 5)/(3x + 4)
User Abhinavkulkarni
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