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Mathematics20251 markMCQApplications of Derivatives

Choose the correct option.

y = x⁵ + x³, x ∈ mathbbR is a function. Rina, Abha and Saurabh have given their opinions about the…

$y = x^5 + x^3, x \in \mathbb{R}$ is a function. Rina, Abha and Saurabh have given their opinions about the function in the following statements: • Statement 1: Rina says that 'y' is an increasing function for all values of $x$. • Statement 2: Abha says that 'y' is an odd function. • Statement 3: Saurabh says that 'y' is symmetrical about the origin. Related to the above statements, which of the following option is true?
  • (a)Rina, Abha and Saurabh are correct.
  • (b)Rina and Abha are correct, but Saurabh is wrong.
  • (c)Rina and Saurabh are correct, but Abha is wrong.
  • (d)Saurabh and Abha are correct, but Rina is wrong.

Answer

Answer

Official answer key

Correct option: (a)

Answer: (a) Rina, Abha, and Saurabh are correct.