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Choose the correct option for (f:\mathbb{R}\to \mathbb{R}), (f(x)=x^5+x^3+x).

Answer and explanation

Correct answer: Onto

Step 1: This is a continuous odd-degree polynomial. Step 2: Its derivative (5x^4+3x^2+1>0), so it is strictly increasing and covers both infinite directions. Step 3: For increasing polynomials, identifying the range becomes easier.

Related tags

Relations And FunctionsOnto FunctionDerivative TestMathematicsClass 12 Mcq

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