Give the Domain and Range of the Relation $( - \infty , 0 ] \cup [ 0 , \infty )$

question 497

Multiple Choice

Give the domain and range of the relation.
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• A) domain: \(( - \infty , 0 ] \cup [ 0 , \infty )\); range: \(( - \infty , 4 ] \cup [ 4 , \infty )\)
• B) domain: \(( - \infty , 4 ) \cup ( 4 , \infty )\); range: \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• C) domain: \(( - \infty , \infty )\); range: \(( - \infty , \infty )\)
• D) domain: \(( - \infty , 0 ) \cup ( 0 , \infty )\); range: \(( - \infty , 4 ) \cup ( 4 , \infty )\)

Understand the principles of risk management strategies in cybersecurity including risk transference.

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Explain the benefits and limitations of VPN in enhancing remote access security.

Understand the concept of public and private keys in public-key encryption.

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