यदि \(f:\mathbb{R}\to\mathbb{R}\) को (f(x)=\begin{cases}x-2+1,&x\le-1\2-x,&x>-1\end{cases}) से दिया गया है, तो (f(-1)) क्या है?
If \(f:\mathbb{R}\to\mathbb{R}\) is given by (f(x)=\begin{cases}x-2+1,&x\le-1\2-x,&x>-1\end{cases}), what is (f(-1))?
Explanation opens after your attempt
A. (2)
Concept
The input (x=-1) belongs to the first part, so (f(-1)=(-1)2+1=2). Use the boundary sign to choose the correct part.
Why this answer is correct
The correct answer is A. (2). The input (x=-1) belongs to the first part, so (f(-1)=(-1)2+1=2). Use the boundary sign to choose the correct part.
Exam Tip
(x=-1) पहले भाग में आता है, इसलिए (f(-1)=(-1)2+1=2) है। सीमा चिह्न से सही भाग चुनें।
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