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

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

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

A. (9)

Step 1

Concept

(\(g\circ f\)(1)=g(f(1))).

Step 2

Why this answer is correct

(f(1)=2\cdot1+1=3).

Step 3

Exam Tip

(g(3)=32=9), so the value is (9). चरण 1: (\(g\circ f\)(1)=g(f(1)))। चरण 2: (f(1)=2\cdot1+1=3)। चरण 3: (g(3)=32=9), इसलिए मान (9) है।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: A. (9). Explanation: चरण 1: (\(g\circ f\)(1)=g(f(1)))। चरण 2: (f(1)=2\cdot1+1=3)। चरण 3: (g(3)=32=9), इसलिए मान (9) है। / Step 1: (\(g\circ f\)(1)=g(f(1))). Step 2: (f(1)=2\cdot1+1=3). Step 3: (g(3)=32=9), so the value is (9).

Which concept should I revise for this Mathematics MCQ?

(\(g\circ f\)(1)=g(f(1))).

What exam hint can help solve this Mathematics question?

(g(3)=32=9), so the value is (9). चरण 1: (\(g\circ f\)(1)=g(f(1)))। चरण 2: (f(1)=2\cdot1+1=3)। चरण 3: (g(3)=32=9), इसलिए मान (9) है।