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
Correct Answer

A. (5)

Step 1

Concept

(f(2)=22+k=4+k).

Step 2

Why this answer is correct

Given (4+k=9).

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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)?

Correct Answer: A. (5). Explanation: चरण 1: (f(2)=22+k=4+k)। चरण 2: दिया है (4+k=9)। चरण 3: इसलिए (k=5)। / Step 1: (f(2)=22+k=4+k). Step 2: Given (4+k=9). Step 3: Therefore (k=5).

Which concept should I revise for this Mathematics MCQ?

(f(2)=22+k=4+k).

What exam hint can help solve this Mathematics question?

Therefore (k=5). चरण 1: (f(2)=22+k=4+k)। चरण 2: दिया है (4+k=9)। चरण 3: इसलिए (k=5)।