Medium Mathematics Relations and Functions Class 12 Level 21

यदि (f(x)=5x+1) और (g(x)=x-4), तो (\(f\circ g\)(x)) क्या होगा?

If (f(x)=5x+1) and (g(x)=x-4), what is (\(f\circ g\)(x))?

Explanation opens after your attempt
Correct Answer

A. (5x-19)

Step 1

Concept

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

Step 2

Why this answer is correct

Put (g(x)=x-4) into (f).

Step 3

Exam Tip

(f(x-4)=5(x-4)+1=5x-19). चरण 1: (\(f\circ g\)(x)=f(g(x))) है। चरण 2: (g(x)=x-4) को (f) में रखें। चरण 3: (f(x-4)=5(x-4)+1=5x-19)।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=5x+1) और (g(x)=x-4), तो (\(f\circ g\)(x)) क्या होगा? / If (f(x)=5x+1) and (g(x)=x-4), what is (\(f\circ g\)(x))?

Correct Answer: A. (5x-19). Explanation: चरण 1: (\(f\circ g\)(x)=f(g(x))) है। चरण 2: (g(x)=x-4) को (f) में रखें। चरण 3: (f(x-4)=5(x-4)+1=5x-19)। / Step 1: (\(f\circ g\)(x)=f(g(x))). Step 2: Put (g(x)=x-4) into (f). Step 3: (f(x-4)=5(x-4)+1=5x-19).

Which concept should I revise for this Mathematics MCQ?

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

What exam hint can help solve this Mathematics question?

(f(x-4)=5(x-4)+1=5x-19). चरण 1: (\(f\circ g\)(x)=f(g(x))) है। चरण 2: (g(x)=x-4) को (f) में रखें। चरण 3: (f(x-4)=5(x-4)+1=5x-19)।

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