यदि \(f:\mathbb{R}\to\mathbb{R}\) और \(g:\mathbb{R}\to\mathbb{R}\) के लिए (f(x)=x+2) तथा (g(x)=x-2), तो (\(g\circ f\)(-3)) का मान क्या है?

If \(f:\mathbb{R}\to\mathbb{R}\) and \(g:\mathbb{R}\to\mathbb{R}\) are given by (f(x)=x+2) and (g(x)=x-2), what is the value of (\(g\circ f\)(-3))?

Explanation opens after your attempt
Correct Answer

A. (1)

Step 1

Concept

First find (f(-3)), which is (-1).

Step 2

Why this answer is correct

Then compute (g(-1)=(-1)2=1).

Step 3

Exam Tip

In composition, apply the right-side function first. चरण 1: पहले (f(-3)) निकालें, (f(-3)=-1)। चरण 2: अब (g(-1)=(-1)2=1)। चरण 3: संयुक्त फलन में दाएँ वाले फलन को पहले लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि \(f:\mathbb{R}\to\mathbb{R}\) और \(g:\mathbb{R}\to\mathbb{R}\) के लिए (f(x)=x+2) तथा (g(x)=x-2), तो (\(g\circ f\)(-3)) का मान क्या है? / If \(f:\mathbb{R}\to\mathbb{R}\) and \(g:\mathbb{R}\to\mathbb{R}\) are given by (f(x)=x+2) and (g(x)=x-2), what is the value of (\(g\circ f\)(-3))?

Correct Answer: A. (1). Explanation: चरण 1: पहले (f(-3)) निकालें, (f(-3)=-1)। चरण 2: अब (g(-1)=(-1)2=1)। चरण 3: संयुक्त फलन में दाएँ वाले फलन को पहले लगाएँ। / Step 1: First find (f(-3)), which is (-1). Step 2: Then compute (g(-1)=(-1)2=1). Step 3: In composition, apply the right-side function first.

Which concept should I revise for this Mathematics MCQ?

First find (f(-3)), which is (-1).

What exam hint can help solve this Mathematics question?

In composition, apply the right-side function first. चरण 1: पहले (f(-3)) निकालें, (f(-3)=-1)। चरण 2: अब (g(-1)=(-1)2=1)। चरण 3: संयुक्त फलन में दाएँ वाले फलन को पहले लगाएँ।