यदि (f(x)=kx+2) और (f(3)=14), तो (k) का मान क्या है?
If (f(x)=kx+2) and (f(3)=14), what is the value of (k)?
Explanation opens after your attempt
A. (4)
Concept
(f(3)=3k+2).
Why this answer is correct
From (3k+2=14), we get (3k=12).
Exam Tip
Therefore (k=4). चरण 1: (f(3)=3k+2) होगा। चरण 2: (3k+2=14) से (3k=12)। चरण 3: इसलिए (k=4)।
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