यदि \(A=\{-4,-2,1\}\), \(f:A\to\mathbb{R}\), और (f(x)=x-2+2x) है, तो रेंज क्या है?

If \(A=\{-4,-2,1\}\), \(f:A\to\mathbb{R}\), and (f(x)=x-2+2x), what is the range?

Explanation opens after your attempt
Correct Answer

A. ({0,3,8})

Step 1

Concept

(f(-4)=8), (f(-2)=0), and (f(1)=3). In exams find the image of every input in a finite domain.

Step 2

Why this answer is correct

The correct answer is A. ({0,3,8}). (f(-4)=8), (f(-2)=0), and (f(1)=3). In exams find the image of every input in a finite domain.

Step 3

Exam Tip

(f(-4)=8), (f(-2)=0), और (f(1)=3) हैं। परीक्षा में finite domain में हर input की image निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{-4,-2,1\}\), \(f:A\to\mathbb{R}\), और (f(x)=x-2+2x) है, तो रेंज क्या है? / If \(A=\{-4,-2,1\}\), \(f:A\to\mathbb{R}\), and (f(x)=x-2+2x), what is the range?

Correct Answer: A. ({0,3,8}). Explanation: (f(-4)=8), (f(-2)=0), और (f(1)=3) हैं। परीक्षा में finite domain में हर input की image निकालें। / (f(-4)=8), (f(-2)=0), and (f(1)=3). In exams find the image of every input in a finite domain.

Which concept should I revise for this Mathematics MCQ?

(f(-4)=8), (f(-2)=0), and (f(1)=3). In exams find the image of every input in a finite domain.

What exam hint can help solve this Mathematics question?

(f(-4)=8), (f(-2)=0), और (f(1)=3) हैं। परीक्षा में finite domain में हर input की image निकालें।