CBSE 2024 · Region 3 · Set 1 · Q2 · 1 mark
Let $\displaystyle R_{+}$denote the set of all non-negative real numbers. Then the function $\displaystyle f: R_{+} \rightarrow R_{+}$defined as $\displaystyle f(x)=x^{2}+1$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
one-one but not onto
Relations and FunctionsTypes of FunctionsUnderstandmcqeasy
More from Relations and Functions
- Let f: A → B be defined by f(x)=(x-2)/(x-3), where A=R- 3 and B=R- 1. Discuss the bijectivity of the function.2025 · asked 3×
- If f(x)= x + x-1, then which of the following is correct?2025 · asked 3×
- A class-room teacher is keen to assess the learning of her students the concept of "relations" taught to…2025 · asked 3×
- If f: N → W is defined as f(n)=,. then f is:2025 · asked 3×
- If f(x)=-2 x^8, then the correct statement is:2025 · asked 3×
- A function f(x)= 1-x+ x is:2024 · asked 3×
- A school is organizing a debate competition with participants as speakers S= S 1, S 2, S 3, S 4 and these are…2025 · asked 3×
- For real x, let f(x)=x^3+5 x+1. Then:2025 · asked 3×
CBSE Class 12 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.