यदि (f(x)=x-2) और (g(x)=x+1), तो (\(f\circ g\)(2)) क्या होगा?

If (f(x)=x-2) and (g(x)=x+1), what is (\(f\circ g\)(2))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (9)

Step 1

Concept

(\(f\circ g\)(2)=f(g(2))).

Step 2

Why this answer is correct

(g(2)=3).

Step 3

Exam Tip

(f(3)=32=9), so the value is (9). चरण 1: (\(f\circ g\)(2)=f(g(2)))। चरण 2: (g(2)=3)। चरण 3: (f(3)=32=9), इसलिए मान (9) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2) और (g(x)=x+1), तो (\(f\circ g\)(2)) क्या होगा? / If (f(x)=x-2) and (g(x)=x+1), what is (\(f\circ g\)(2))?

Correct Answer: A. (9). Explanation: चरण 1: (\(f\circ g\)(2)=f(g(2)))। चरण 2: (g(2)=3)। चरण 3: (f(3)=32=9), इसलिए मान (9) है। / Step 1: (\(f\circ g\)(2)=f(g(2))). Step 2: (g(2)=3). Step 3: (f(3)=32=9), so the value is (9).

Which concept should I revise for this Mathematics MCQ?

(\(f\circ g\)(2)=f(g(2))).

What exam hint can help solve this Mathematics question?

(f(3)=32=9), so the value is (9). चरण 1: (\(f\circ g\)(2)=f(g(2)))। चरण 2: (g(2)=3)। चरण 3: (f(3)=32=9), इसलिए मान (9) है।