यदि (f(x)=x+4) और (g(x)=4-x) हैं, तो ((fg)(x)) किसके बराबर है?

If (f(x)=x+4) and (g(x)=4-x), what is ((fg)(x)) equal to?

Explanation opens after your attempt
Correct Answer

A. \(16-x^2\)

Step 1

Concept

((fg)(x)=(x+4)(4-x)=16-x-2). View it as ((4+x)(4-x)).

Step 2

Why this answer is correct

The correct answer is A. \(16-x^2\). ((fg)(x)=(x+4)(4-x)=16-x-2). View it as ((4+x)(4-x)).

Step 3

Exam Tip

((fg)(x)=(x+4)(4-x)=16-x-2)। इसे ((4+x)(4-x)) के रूप में देखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x+4) और (g(x)=4-x) हैं, तो ((fg)(x)) किसके बराबर है? / If (f(x)=x+4) and (g(x)=4-x), what is ((fg)(x)) equal to?

Correct Answer: A. \(16-x^2\). Explanation: ((fg)(x)=(x+4)(4-x)=16-x-2)। इसे ((4+x)(4-x)) के रूप में देखें। / ((fg)(x)=(x+4)(4-x)=16-x-2). View it as ((4+x)(4-x)).

Which concept should I revise for this Mathematics MCQ?

((fg)(x)=(x+4)(4-x)=16-x-2). View it as ((4+x)(4-x)).

What exam hint can help solve this Mathematics question?

((fg)(x)=(x+4)(4-x)=16-x-2)। इसे ((4+x)(4-x)) के रूप में देखें।