Math Problem Statement

Use the given graphs of f and g to evaluate the expression. (Assume that each point lies on the gridlines.) f(g(2))

Use the given graphs of f and g to evaluate the expression. (Assume that each point lies on the gridlines.) f(g(2))

Solution

We are tasked with evaluating f(g(2))f(g(2)), using the given graphs of the functions f(x)f(x) and g(x)g(x).

Step 1: Find g(2)g(2)

From the graph of g(x)g(x) (the blue curve), we observe the value of gg at x=2x = 2.

  • Locate x=2x = 2 on the horizontal axis.
  • From the graph, the value of g(2)g(2) is approximately 0.

So, g(2)=0g(2) = 0.

Step 2: Find f(g(2))=f(0)f(g(2)) = f(0)

Now, we need to find f(0)f(0) using the graph of f(x)f(x) (the red line).

  • Locate x=0x = 0 on the horizontal axis.
  • From the graph, the value of f(0)f(0) is 2.

Therefore, f(g(2))=f(0)=2f(g(2)) = f(0) = 2.

Final Answer:

f(g(2))=2f(g(2)) = 2.

Would you like further explanation or details on this? Here are some related questions you might find useful:

  1. How do we evaluate nested functions using graphs?
  2. What are some common mistakes when interpreting graphs?
  3. How can we interpret the behavior of f(x)f(x) for values near x=0x = 0?
  4. What is the significance of function composition in calculus?
  5. How do transformations affect the graph of a function?

Tip: When evaluating composite functions graphically, always start from the inner function and use its output as the input for the outer function.

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Math Problem Analysis

Mathematical Concepts

Function Composition
Graph Interpretation

Formulas

f(g(x))

Theorems

Function Composition Theorem

Suitable Grade Level

Grades 9-11