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If (f:[-1,\infty)\to\mathbb{R}) and (f(x)=x^2+2x+5), what type of function is (f)?यदि (f:[-1,\infty)\to\mathbb{R}) और (f(x)=x^2+2x+5) हो तो (f) कैसा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: One-oneएकैकी
Step 1: (f(x)=(x+1)^2+4). Step 2: For (x\geq-1), ((x+1)^2) increases. Step 3: On one side of its axis, a quadratic function can be one-one.चरण 1: (f(x)=(x+1)^2+4) है। चरण 2: (x\geq-1) पर ((x+1)^2) बढ़ता है। चरण 3: धुरी के एक ओर द्विघात फलन एकैकी हो सकता है।
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