Math Problem Statement

Determine the limit of the function f(x) as x approaches -1, based on the graph of the piecewise function f(x).

Solution

The image shows a graph of a piecewise function f(x)f(x), and the question asks for the limit of f(x)f(x) as x1x \to -1, i.e., limx1f(x)\lim_{x \to -1} f(x). Let's break this down.

  1. The question asks to determine the value of the limit limx1f(x)\lim_{x \to -1} f(x) based on the provided graph.
  2. We can solve this by observing the behavior of the graph near x=1x = -1.

Step-by-Step Analysis:

  • Left-hand limit: As xx approaches -1 from the left, the curve approaches y=3y = -3.
  • Right-hand limit: As xx approaches -1 from the right, the curve approaches y=3y = -3.

Since both the left-hand and right-hand limits are equal and they approach 3-3, we conclude that: limx1f(x)=3\lim_{x \to -1} f(x) = -3

Answer:

The correct answer is 3-3, which corresponds to option (a) in the provided multiple-choice options.

Would you like further details or explanations?


Here are 5 related questions for further practice:

  1. What is the limit limx1f(x)\lim_{x \to 1} f(x) from the same graph?
  2. How do you calculate the right-hand and left-hand limits separately?
  3. What does it mean if the left-hand and right-hand limits are not equal?
  4. How do we determine if a function is continuous at a point?
  5. What is the formal definition of a limit in calculus?

Tip: When solving limit problems graphically, always check both sides of the point where the limit is being evaluated to ensure that the left-hand and right-hand limits are equal.

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Math Problem Analysis

Mathematical Concepts

Limits
Piecewise Functions
Continuity

Formulas

Limit definition: lim_{x -> a} f(x) = L
Piecewise function analysis

Theorems

Limit existence theorem
Left-hand and right-hand limits

Suitable Grade Level

Grades 10-12