Q173 / 270 · NDA 2023 (Phase 2) · Mathematics

Consider the following statements: 1. The relation $f$ defined by $f(x)=\left\{\begin{array}{ll}x^3, & 0 \leq x \leq 2 \\ 4 x, & 2 \leq x \leq 8\end{array}\right.$ is a function 2. The relation $g$ defined by $g(x)=\left\{\begin{array}{ll}x^2, & 0 \leq x \leq 4 \\ 3 x, & 4 \leq x \leq 8\end{array}\right.$ is a function. Which of the statements given above is/are correct?

  • Correct answer
    A
    1 only
  • B
    2 only
  • C
    Both 1 and 2
  • D
    Neither 1 nor 2

Solution

The correct answer is option (A).

Hence, the correct answer is option: 'A'.

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