यदि (f(x)=x-2+k) और (f(2)=9), तो (k) का मान क्या होगा?
If (f(x)=x-2+k) and (f(2)=9), what is the value of (k)?
Explanation opens after your attempt
A. (5)
Concept
(f(2)=22+k=4+k).
Why this answer is correct
Given (4+k=9).
Exam Tip
Therefore (k=5). चरण 1: (f(2)=22+k=4+k)। चरण 2: दिया है (4+k=9)। चरण 3: इसलिए (k=5)।
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