यदि (f(x)=x-2+3x-2) है, तो (f(-2)) क्या है?
If (f(x)=x-2+3x-2), what is (f(-2))?
Explanation opens after your attempt
A. (-4)
Concept
(f(-2)=(-2)2+3(-2)-2=-4). In exams use brackets while substituting a negative input.
Why this answer is correct
The correct answer is A. (-4). (f(-2)=(-2)2+3(-2)-2=-4). In exams use brackets while substituting a negative input.
Exam Tip
(f(-2)=(-2)2+3(-2)-2=-4) है। परीक्षा में ऋणात्मक input डालते समय brackets लगाएं।
Login to save your score, XP, coins and progress.
