Math Problem Statement

(f) lim x→−∞ f(x)

lim x→−∞ f(x)

Solution

The graph you provided shows two distinct linear segments, one starting at y=16y = 16 and decreasing as xx \to -\infty, and another segment that also decreases as xx \to \infty. Since you are asking for the limit of f(x)f(x) as xx \to -\infty, we can focus on the left side of the graph.

Observations:

  • As xx \to -\infty, the function f(x)f(x) (the left-hand line segment) seems to approach a steep downward slope.
  • The line passes through (0,8)(0, -8) and continues downward, meaning the function values become more negative as xx \to -\infty.

From the appearance of the graph, it is clear that as xx \to -\infty, f(x)f(x) decreases without bound. Therefore:

limxf(x)=\lim_{x \to -\infty} f(x) = -\infty

This is because the left-hand line is decreasing indefinitely.


Do you want more details or have any questions?

Here are 5 related questions for further understanding:

  1. What is the slope of each linear segment in the graph?
  2. How does the behavior of f(x)f(x) change as x+x \to +\infty?
  3. What are the intercepts of the function on the x-axis and y-axis?
  4. How can we express each line segment with a specific equation?
  5. What are the potential domains and ranges of the function f(x)f(x)?

Tip: The limit as xx \to -\infty indicates the long-term behavior of the function on the far left of the graph.

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Math Problem Analysis

Mathematical Concepts

Limits
Linear Functions

Formulas

Limit definition

Theorems

Infinite limits of linear functions

Suitable Grade Level

Grades 11-12