फलन (f(x)=2x-2) का परिसर क्या है जब \(x \in \mathbb{R}\)?
What is the range of (f(x)=2x-2) when \(x \in \mathbb{R}\)?
Explanation opens after your attempt
Correct Answer
A. \([0,\infty\))
Concept
Since \(x^2 \ge 0\), \(2x^2 \ge 0\). At (x=0), the value is (0).
Why this answer is correct
The correct answer is A. \([0,\infty\)). Since \(x^2 \ge 0\), \(2x^2 \ge 0\). At (x=0), the value is (0).
Exam Tip
\(x^2 \ge 0\) होने से \(2x^2 \ge 0\) है। (x=0) पर मान (0) मिलता है।
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