Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

Which of the following relations from the set \(A=\{1,2,3\}\) to the set \(B=\{a,b\}\) is a function?

Answer and explanation

Correct answer: \(\{(1,a),(2,b),(3,a)\}\)

In a function, every element of domain \(A\) must have exactly one image in codomain \(B\). In option A, 1, 2 and 3 each have one image. In B and D, one input has two images; in C, 3 has no image. Exam tip: check each input exactly once.

Related tags

Relations And FunctionsFunctionDomainCodomainRelation ClassificationClass 11 MathematicsFunctions As A Special Kind Of RelationMathematics

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.