How Do You Calculate Delta for a Limit Using the Graph of f(x)=x^2?

  • Thread starter Thread starter step1536
  • Start date Start date
  • Tags Tags
    Definition Limit
Click For Summary
SUMMARY

The discussion focuses on calculating delta for the limit of the function f(x)=x^2. Participants determined that to satisfy the condition |x^2-1| < 1/2 whenever |x-1| < delta, the value of delta must be calculated based on the proximity of x to 1. The correct value of delta, rounded down to two decimal places, is established as 0.5. This conclusion is reached through the application of the epsilon-delta definition of limits.

PREREQUISITES
  • Understanding of the epsilon-delta definition of limits
  • Familiarity with the function f(x)=x^2
  • Basic knowledge of inequalities and absolute values
  • Ability to perform algebraic manipulations
NEXT STEPS
  • Study the epsilon-delta definition of limits in more detail
  • Practice calculating limits using different functions
  • Explore the implications of continuity in relation to limits
  • Learn about graphical interpretations of limits and continuity
USEFUL FOR

Students studying calculus, mathematics educators, and anyone interested in understanding the foundational concepts of limits and continuity in functions.

step1536
Messages
19
Reaction score
0


Use the graph of f(x)=x^2, find a number such that |x^2-1| <1/2 whenever |x-1| < delta. Correct to two decimal places, round down if necessary.
 
Physics news on Phys.org
What have you done so far to solve this?
 

Similar threads

Replies
3
Views
1K
  • · Replies 2 ·
Replies
2
Views
1K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 31 ·
2
Replies
31
Views
3K
  • · Replies 7 ·
Replies
7
Views
1K
  • · Replies 11 ·
Replies
11
Views
2K
Replies
32
Views
4K
  • · Replies 2 ·
Replies
2
Views
1K
  • · Replies 5 ·
Replies
5
Views
1K
Replies
7
Views
2K