Math Problem Statement

Solve

Use the graph of y = f(x) to compute the values f(1) and lim x→1 f(x). If an answer does not exist, enter DNE.

Solution

Let's solve the problem using the graph provided:

1. Finding f(1)f(1):

From the graph, we observe the point where x=1x = 1. The graph shows a hole (an open circle) at x=1x = 1, and the solid point above it is located at y=1y = 1. This point indicates that f(1)=1f(1) = 1.

Answer: f(1)=1f(1) = 1

2. Finding limx1f(x)\lim_{{x \to 1}} f(x):

To find the limit of f(x)f(x) as xx approaches 1, we need to consider the behavior of the function from both the left and the right sides of x=1x = 1.

  • From the left (x1x \to 1^-), the function approaches y=0y = 0.
  • From the right (x1+x \to 1^+), the function also approaches y=0y = 0.

Since both sides approach the same value, the limit exists.

Answer: limx1f(x)=0\lim_{{x \to 1}} f(x) = 0

Would you like further details on these calculations, or do you have any other questions?

Here are some related questions you might find interesting:

  1. What happens to f(x)f(x) as x0x \to 0?
  2. What is the limit of f(x)f(x) as x1x \to -1?
  3. Does the function f(x)f(x) have any asymptotes?
  4. How would you describe the continuity of f(x)f(x) at x=1x = 1?
  5. Can you determine f(x)f(x) at x=2x = 2?

Tip: When finding limits graphically, always observe the function's behavior from both sides of the point of interest to ensure the limit exists and is the same from both directions.

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Math Problem Analysis

Mathematical Concepts

Limits
Function Evaluation
Graphical Analysis

Formulas

Limit definition
Point evaluation

Theorems

Limit Existence Theorem

Suitable Grade Level

Grades 10-12