Math Problem Statement

Solution

The problem in the image asks you to evaluate (fg)(x)(f \circ g)(x), which means you're finding the composition of the functions ff and gg at specific values of xx.

Understanding the Problem

The composition (fg)(x)(f \circ g)(x) is defined as f(g(x))f(g(x)). To find this, follow these steps:

  1. Look up the value of g(x)g(x) from the given table.
  2. Use the result from step 1 to find f(g(x))f(g(x)) by looking it up in the table for f(x)f(x).

Given Tables

Here are the tables given in the problem:

x & 0 & 1 & 2 & 3 \\ \hline f(x) & 4 & 2 & 3 & 5 \\ g(x) & 1 & 2 & 3 & 0 \\ \end{array}$$ ### Steps to Solve 1. **Find $$g(x)$$:** - For $$x = 0$$, $$g(0) = 1$$ - For $$x = 1$$, $$g(1) = 2$$ - For $$x = 2$$, $$g(2) = 3$$ - For $$x = 3$$, $$g(3) = 0$$ 2. **Find $$f(g(x))$$:** - $$f(g(0)) = f(1) = 2$$ - $$f(g(1)) = f(2) = 3$$ - $$f(g(2)) = f(3) = 5$$ - $$f(g(3)) = f(0) = 4$$ ### Final Answer The values of $$(f \circ g)(x)$$ for each $$x$$ are: - $$(f \circ g)(0) = 2$$ - $$(f \circ g)(1) = 3$$ - $$(f \circ g)(2) = 5$$ - $$(f \circ g)(3) = 4$$ Would you like more details, or do you have any other questions? Here are five related questions: 1. How would you determine $$(g \circ f)(x)$$ for the same tables? 2. What is the definition of function composition? 3. Can the composition of two functions be commutative? 4. How can you determine if a function is one-to-one using a table? 5. What happens to $$f(g(x))$$ if $$g(x)$$ is a constant function? **Tip:** When dealing with function composition, always start from the innermost function and work your way outward!

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Math Problem Analysis

Mathematical Concepts

Function Composition

Formulas

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Theorems

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Suitable Grade Level

High School