Math Problem Statement

If \( \lim_{x \to 1^-} g(x) = -3 \), \( \lim_{x \to 1^+} g(x) = 4 \), and \( g(1) = 5 \), find \( \lim_{x \to 6} g(f(x)) \) based on the graph of \( f(x) \).

Solution

The problem in the image provides the following information:

  • The graph of f(x)f(x) is shown.
  • You are given:
    • limx1g(x)=3\lim_{x \to 1^-} g(x) = -3
    • limx1+g(x)=4\lim_{x \to 1^+} g(x) = 4
    • g(1)=5g(1) = 5

The task is to find limx6g(f(x))\lim_{x \to 6} g(f(x)).

Steps to Solve:

  1. Identify f(6)f(6) from the graph of f(x)f(x):

    • Looking at the graph, observe the value of f(x)f(x) when x=6x = 6.
    • The graph shows that f(6)=1f(6) = 1 (since the point at x=6x = 6 corresponds to y=1y = 1).
  2. Substitute f(6)f(6) into g(f(x))g(f(x)):

    • Since f(6)=1f(6) = 1, we need to find limx6g(f(x))=g(1)\lim_{x \to 6} g(f(x)) = g(1).
  3. Use the given information about g(1)g(1):

    • We know that g(1)=5g(1) = 5.

Thus, limx6g(f(x))=5\lim_{x \to 6} g(f(x)) = 5.

Final Answer:

The limit is 5\boxed{5}.


Would you like further clarification on any step?

Here are 5 related questions to explore further:

  1. How do you compute a limit involving composite functions like g(f(x))g(f(x))?
  2. Why is the left-hand limit and right-hand limit for g(x)g(x) important in this problem?
  3. How do you determine if a function is continuous from a graph?
  4. What role does the graph of f(x)f(x) play in finding f(6)f(6)?
  5. How would the solution change if g(1)g(1) were undefined or discontinuous?

Tip: Always examine whether the functions involved are continuous at the point you are evaluating, as limits involving discontinuities require special attention.

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Math Problem Analysis

Mathematical Concepts

Limits
Composite Functions
Graphs of Functions

Formulas

\( \lim_{x \to a} g(f(x)) = g(\lim_{x \to a} f(x)) \), if g is continuous at f(a)

Theorems

Limit of Composite Functions
Continuity

Suitable Grade Level

Grades 11-12