यदि \(f:\mathbb{R}\to\mathbb{R}\) को (f(x)=\begin{cases}3x-2,&x<4\x-2-10,&x\ge4\end{cases}) से दिया गया है, तो (f(4)) क्या है?

If \(f:\mathbb{R}\to\mathbb{R}\) is given by (f(x)=\begin{cases}3x-2,&x<4\x-2-10,&x\ge4\end{cases}), what is (f(4))?

Explanation opens after your attempt
Correct Answer

A. (6)

Step 1

Concept

The input (x=4) belongs to the second part, so (f(4)=42-10=6). Choose the correct rule by reading the boundary sign.

Step 2

Why this answer is correct

The correct answer is A. (6). The input (x=4) belongs to the second part, so (f(4)=42-10=6). Choose the correct rule by reading the boundary sign.

Step 3

Exam Tip

(x=4) दूसरे भाग में आता है, इसलिए (f(4)=42-10=6) है। सीमा चिह्न देखकर सही नियम चुनें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(f:\mathbb{R}\to\mathbb{R}\) को (f(x)=\begin{cases}3x-2,&x<4\x-2-10,&x\ge4\end{cases}) से दिया गया है, तो (f(4)) क्या है? / If \(f:\mathbb{R}\to\mathbb{R}\) is given by (f(x)=\begin{cases}3x-2,&x<4\x-2-10,&x\ge4\end{cases}), what is (f(4))?

Correct Answer: A. (6). Explanation: (x=4) दूसरे भाग में आता है, इसलिए (f(4)=42-10=6) है। सीमा चिह्न देखकर सही नियम चुनें। / The input (x=4) belongs to the second part, so (f(4)=42-10=6). Choose the correct rule by reading the boundary sign.

Which concept should I revise for this Mathematics MCQ?

The input (x=4) belongs to the second part, so (f(4)=42-10=6). Choose the correct rule by reading the boundary sign.

What exam hint can help solve this Mathematics question?

(x=4) दूसरे भाग में आता है, इसलिए (f(4)=42-10=6) है। सीमा चिह्न देखकर सही नियम चुनें।