यदि \(f:\mathbb{R}\to\mathbb{R}\) और (f(x)=3x), तो (f(-2)) क्या होगा?

If \(f:\mathbb{R}\to\mathbb{R}\) and (f(x)=3x), what is (f(-2))?

Explanation opens after your attempt
Correct Answer

A. (-6)

Step 1

Concept

(f(-2)=3(-2)=-6). Be careful with signs while substituting negative values.

Step 2

Why this answer is correct

The correct answer is A. (-6). (f(-2)=3(-2)=-6). Be careful with signs while substituting negative values.

Step 3

Exam Tip

(f(-2)=3(-2)=-6) है। ऋणात्मक मान रखते समय चिन्ह पर ध्यान दें।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(f:\mathbb{R}\to\mathbb{R}\) और (f(x)=3x), तो (f(-2)) क्या होगा? / If \(f:\mathbb{R}\to\mathbb{R}\) and (f(x)=3x), what is (f(-2))?

Correct Answer: A. (-6). Explanation: (f(-2)=3(-2)=-6) है। ऋणात्मक मान रखते समय चिन्ह पर ध्यान दें। / (f(-2)=3(-2)=-6). Be careful with signs while substituting negative values.

Which concept should I revise for this Mathematics MCQ?

(f(-2)=3(-2)=-6). Be careful with signs while substituting negative values.

What exam hint can help solve this Mathematics question?

(f(-2)=3(-2)=-6) है। ऋणात्मक मान रखते समय चिन्ह पर ध्यान दें।