यदि (f(x)=2x-2) और (g(x)=x+1) हैं, तो ((f-g)(-2)) का मान क्या है?

If (f(x)=2x-2) and (g(x)=x+1), what is the value of ((f-g)(-2))?

Explanation opens after your attempt
Correct Answer

A. (9)

Step 1

Concept

((f-g)(x)=2x-2-(x+1)), so ((f-g)(-2)=8-(-1)=9). First form the function, then substitute the value.

Step 2

Why this answer is correct

The correct answer is A. (9). ((f-g)(x)=2x-2-(x+1)), so ((f-g)(-2)=8-(-1)=9). First form the function, then substitute the value.

Step 3

Exam Tip

((f-g)(x)=2x-2-(x+1)), इसलिए ((f-g)(-2)=8-(-1)=9)। पहले फलन बनाकर फिर मान रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=2x-2) और (g(x)=x+1) हैं, तो ((f-g)(-2)) का मान क्या है? / If (f(x)=2x-2) and (g(x)=x+1), what is the value of ((f-g)(-2))?

Correct Answer: A. (9). Explanation: ((f-g)(x)=2x-2-(x+1)), इसलिए ((f-g)(-2)=8-(-1)=9)। पहले फलन बनाकर फिर मान रखें। / ((f-g)(x)=2x-2-(x+1)), so ((f-g)(-2)=8-(-1)=9). First form the function, then substitute the value.

Which concept should I revise for this Mathematics MCQ?

((f-g)(x)=2x-2-(x+1)), so ((f-g)(-2)=8-(-1)=9). First form the function, then substitute the value.

What exam hint can help solve this Mathematics question?

((f-g)(x)=2x-2-(x+1)), इसलिए ((f-g)(-2)=8-(-1)=9)। पहले फलन बनाकर फिर मान रखें।