यदि (f(x)=kx-3) और (f(4)=17), तो (k) का मान क्या है?
If (f(x)=kx-3) and (f(4)=17), what is the value of (k)?
Explanation opens after your attempt
A. (5)
Concept
(f(4)=4k-3).
Why this answer is correct
From (4k-3=17), we get (4k=20).
Exam Tip
Therefore (k=5). चरण 1: (f(4)=4k-3) होगा। चरण 2: (4k-3=17) से (4k=20)। चरण 3: इसलिए (k=5)।
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