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
A. (-6)
Concept
(f(-2)=3(-2)=-6). Be careful with signs while substituting negative values.
Why this answer is correct
The correct answer is A. (-6). (f(-2)=3(-2)=-6). Be careful with signs while substituting negative values.
Exam Tip
(f(-2)=3(-2)=-6) है। ऋणात्मक मान रखते समय चिन्ह पर ध्यान दें।
Login to save your score, XP, coins and progress.
