Math Problem Statement

Evaluate f(g(-2)) using the graphs of f(x) and g(x).

Solution

We are asked to evaluate f(g(2))f(g(-2)), using the graphs provided.

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

From the graph of y=g(x)y = g(x) (the right graph), locate x=2x = -2. At x=2x = -2, the value of g(x)g(x) is the corresponding yy-coordinate. Based on the graph: g(2)=3g(-2) = 3

Step 2: Find f(g(2))=f(3)f(g(-2)) = f(3)

Now, we use this value g(2)=3g(-2) = 3 in the function f(x)f(x). From the graph of y=f(x)y = f(x) (the left graph), locate x=3x = 3. At x=3x = 3, the value of f(x)f(x) is: f(3)=7f(3) = -7

Final Answer:

f(g(2))=7f(g(-2)) = -7

Would you like a more detailed breakdown or any additional questions?

Here are 5 related questions:

  1. What is f(g(2))f(g(2))?
  2. How do we find g(f(4))g(f(-4)) using the graphs?
  3. What is the domain of f(x)f(x) based on the graph?
  4. Can we determine if g(x)g(x) is a one-to-one function from its graph?
  5. How would the answer change if the graph of f(x)f(x) or g(x)g(x) were shifted vertically?

Tip: When dealing with compositions of functions, always evaluate the inner function first before moving on to the outer one!

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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 9-10