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What is (f+g)(x)?f(x)=–5x+2g(x)=5xWrite your answer as a polynomial or a rational function in simplest form.

Question

What is (f+g)(x)?

f(x) = –5x + 2
g(x) = 5x

Write your answer as a polynomial or a rational function in simplest form.

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Solution

1. ### Break Down the Problem

We need to find the sum of two functions, f(x)f(x) and g(x)g(x). Given:

  • f(x)=5x+2f(x) = -5x + 2
  • g(x)=5xg(x) = 5x

To find (f+g)(x)(f + g)(x), we will add these two functions together.

2. ### Relevant Concepts

The sum of two functions f(x)f(x) and g(x)g(x) is defined as: (f+g)(x)=f(x)+g(x) (f + g)(x) = f(x) + g(x)

3. ### Analysis and Detail

Let's perform the addition step by step: (f+g)(x)=f(x)+g(x) (f + g)(x) = f(x) + g(x) Substituting the expressions for f(x)f(x) and g(x)g(x): (f+g)(x)=(5x+2)+(5x) (f + g)(x) = (-5x + 2) + (5x)

Now we will combine like terms:

  1. Combine the xx terms: 5x+5x=0-5x + 5x = 0
  2. The constant term remains as 22.

Thus, (f+g)(x)=0+2=2 (f + g)(x) = 0 + 2 = 2

4. ### Verify and Summarize

We have evaluated (f+g)(x)(f + g)(x) step by step. The computation shows that all xx terms cancel out, leaving only a constant.

Final Answer

(f+g)(x)=2 (f + g)(x) = 2

This problem has been solved

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