Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

If (f:\mathbb{R}\to(0,\infty)), (f(x)=e^{x^3-x}), then (f) is onto because

Answer and explanation

Correct answer: The range of (x^3-x) is (\mathbb{R}) and the range of (e^t) is ((0,\infty))

Step 1: (x^3-x) is a continuous odd-degree polynomial and its range is (\mathbb{R}). Step 2: When the exponent takes all real values, (e^{x^3-x}) takes all positive values. Step 3: In composite functions, check the range of the inner function first.

Related tags

Onto FunctionComposite FunctionExponentialCubicRelations And FunctionsMathematicsClass 12 Mcq

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.