I need counter example for these statement

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SUMMARY

The discussion revolves around finding counterexamples for specific mathematical statements. The user proposes the function f(x) = x² - 4 on the interval [-6, 6] as a counterexample for statement (ii). For statement (iii), the user suggests f(x) = 0, while for statement (iv), g(x) = x + 1 is proposed. These functions are intended to demonstrate the falsity of the respective statements in the homework assignment.

PREREQUISITES
  • Understanding of polynomial functions and their properties
  • Knowledge of interval notation and its implications
  • Familiarity with the concept of counterexamples in mathematical proofs
  • Basic calculus concepts, including function behavior
NEXT STEPS
  • Research the properties of polynomial functions, specifically quadratic functions like f(x) = x² - 4
  • Study the concept of counterexamples in mathematical logic and proofs
  • Explore the implications of constant functions such as f(x) = 0 in various mathematical contexts
  • Investigate linear functions and their characteristics, focusing on g(x) = x + 1
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Students studying mathematics, particularly those tackling homework involving function analysis and counterexamples, as well as educators looking for examples to illustrate these concepts.

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Homework Statement


[PLAIN]http://hh7.net/Apr1/hh7.net_13016941501.gif


Homework Equations



these statement are false and i need counter example for each one

The Attempt at a Solution



for(ii) i can say that f(x)=x2-4 on [-6,6]

for others i need help
 
Last edited by a moderator:
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For (iii), what about f(x) = 0?

[edit]For (iv), what about g(x) = x + 1?[/edit]
 

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