यदि (f(x)=kx+4) और (f(5)=29), तो (k) का मान क्या है?
If (f(x)=kx+4) and (f(5)=29), what is the value of (k)?
Explanation opens after your attempt
A. (5)
Concept
(f(5)=5k+4).
Why this answer is correct
From (5k+4=29), we get (5k=25).
Exam Tip
Therefore (k=5). चरण 1: (f(5)=5k+4) होगा। चरण 2: (5k+4=29) से (5k=25)। चरण 3: इसलिए (k=5)।
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