Math Problem Statement

Composition of Functions Using Tables of Values, evaluating expressions like f(g(6)), g(f(3)), f(f(0)), and g(g(1)) based on given function tables.

Solution

Let's break down the table-based function composition problem step by step.

Functions given:

  • f(x)f(x) values are provided in the left table.
  • g(x)g(x) values are provided in the right table.

We need to evaluate the following compositions:

  1. f(g(6))f(g(6))
  2. g(f(3))g(f(3))
  3. f(f(0))f(f(0))
  4. g(g(1))g(g(1))

1. f(g(6))f(g(6))

  • First, find g(6)g(6) from the table for g(x)g(x).
    • From the table: g(6)=1g(6) = -1.
  • Now, substitute g(6)=1g(6) = -1 into f(x)f(x), i.e., find f(1)f(-1).
    • From the table: f(1)=8f(-1) = 8.
  • So, f(g(6))=f(1)=8f(g(6)) = f(-1) = 8.

2. g(f(3))g(f(3))

  • First, find f(3)f(3) from the table for f(x)f(x).
    • From the table: f(3)=5f(3) = 5.
  • Now, substitute f(3)=5f(3) = 5 into g(x)g(x), i.e., find g(5)g(5).
    • From the table: g(5)=7g(5) = 7.
  • So, g(f(3))=g(5)=7g(f(3)) = g(5) = 7.

3. f(f(0))f(f(0))

  • First, find f(0)f(0) from the table for f(x)f(x).
    • From the table: f(0)=1f(0) = -1.
  • Now, substitute f(0)=1f(0) = -1 into f(x)f(x), i.e., find f(1)f(-1).
    • From the table: f(1)=8f(-1) = 8.
  • So, f(f(0))=f(1)=8f(f(0)) = f(-1) = 8.

4. g(g(1))g(g(1))

  • First, find g(1)g(1) from the table for g(x)g(x).
    • From the table: g(1)=6g(1) = 6.
  • Now, substitute g(1)=6g(1) = 6 into g(x)g(x), i.e., find g(6)g(6).
    • From the table: g(6)=1g(6) = -1.
  • So, g(g(1))=g(6)=1g(g(1)) = g(6) = -1.

Final Answers:

  1. f(g(6))=8f(g(6)) = 8
  2. g(f(3))=7g(f(3)) = 7
  3. f(f(0))=8f(f(0)) = 8
  4. g(g(1))=1g(g(1)) = -1

Would you like more details or have any questions?

5 Related Questions:

  1. How do you evaluate compositions of more complex functions?
  2. Can you compose functions using their algebraic expressions instead of tables?
  3. What is the domain and range of a composed function like f(g(x))f(g(x))?
  4. How does the order of composition f(g(x))f(g(x)) vs. g(f(x))g(f(x)) affect the result?
  5. How can function composition be applied to real-world problems?

Tip:

When composing functions using tables, always find the inner function's value first and then apply the result to the outer function.

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Math Problem Analysis

Mathematical Concepts

Function Composition
Evaluating Functions Using Tables

Formulas

f(g(x)) = f(value found for g(x))
g(f(x)) = g(value found for f(x))

Theorems

Function Composition Theorem

Suitable Grade Level

Grades 9-12