Let f(x) = x2, in R, then the range of f will be:

  1. non negative numbers
  2. negative real numbers
  3. positive real numbers
  4. integers
  5. None of these

Answer (Detailed Solution Below)

Option 1 : non negative numbers
Free
RRB NTPC CBT-I Official Paper (Held On: 4 Jan 2021 Shift 1)
100 Qs. 100 Marks 90 Mins

Detailed Solution

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Given:

f(x) = x2

Calculation:

f(x) = x2

⇒ Range of f = [0, ∞] = R+

⇒ non negative numbers (Since Zero is also in the range)

∴ The range of f will be non negative numbers

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