फलन (f(x)=\log_5(4-x)) का प्रांत कौन सा है?

Which is the domain of (f(x)=\log_5(4-x))?

Explanation opens after your attempt
Correct Answer

A. (\(-\infty,4\))

Step 1

Concept

The logarithm argument must satisfy (4-x>0). Therefore (x<4).

Step 2

Why this answer is correct

The correct answer is A. (\(-\infty,4\)). The logarithm argument must satisfy (4-x>0). Therefore (x<4).

Step 3

Exam Tip

लघुगणक का आर्गुमेंट (4-x>0) होना चाहिए। इसलिए (x<4)।

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Mathematics Answer, Explanation and Revision Hints

फलन (f(x)=\log_5(4-x)) का प्रांत कौन सा है? / Which is the domain of (f(x)=\log_5(4-x))?

Correct Answer: A. (\(-\infty,4\)). Explanation: लघुगणक का आर्गुमेंट (4-x>0) होना चाहिए। इसलिए (x<4)। / The logarithm argument must satisfy (4-x>0). Therefore (x<4).

Which concept should I revise for this Mathematics MCQ?

The logarithm argument must satisfy (4-x>0). Therefore (x<4).

What exam hint can help solve this Mathematics question?

लघुगणक का आर्गुमेंट (4-x>0) होना चाहिए। इसलिए (x<4)।