Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Mathematics · Expert
→If (|A|=5) and (|B|=7), how many one-one functions are there from (A) to (B)?
Class 12 · Mathematics · Expert
→Let \(f:A\to B\) and \(g:B\to C\) be functions. If the composite function \(g\circ f:A\to C\) is one-one, which of the following conclusions must be true?
Class 12 · Mathematics · Expert
→If \(f:(0,\infty)\to\mathbb{R}\) and \(f(x)=x+\frac{1}{x}\), choose the correct statement about (f).
Class 12 · Mathematics · Expert
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=(k+1)x+4), when will (f) be one-one?
Class 12 · Mathematics · Expert
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^3+x), what is the nature of (f)?
Class 12 · Mathematics · Expert
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^3-3x), choose the correct statement about (f).
Class 12 · Mathematics · Hard
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^3+kx), which condition on (k) is sufficient for (f) to be one-one?
Class 12 · Mathematics · Hard
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=\frac{2x+3}{5}), what is the correct conclusion about (f)?
Class 12 · Mathematics · Hard
→If (f:A\to B) is one-one and (A={p,q,r}), which of the following image lists is not possible?
Class 12 · Mathematics · Hard
→Which graph-related rule correctly identifies a one-one function?
Class 12 · Mathematics · Hard
→If (f:[2,\infty)\to\mathbb{R}) and (f(x)=x^2-4x+5), what is the correct statement about (f)?
Class 12 · Mathematics · Hard
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^3+3x^2), which is the correct proof that (f) is not one-one?
Class 12 · Mathematics · Hard
→If \(f:\mathbb{R}\to\mathbb{R}\) and \(f(x)=|x+1|+|x-1|\), is (f) one-one?
Class 12 · Mathematics · Hard
→If (f:\mathbb{Z}\to\mathbb{Z}) and (f(n)=2n+1), what is the correct statement about (f)?
Class 12 · Mathematics · Hard
→If (f:\mathbb{Z}\to\mathbb{Z}) and (f(n)=n^2), why is (f) not one-one?
Class 12 · Mathematics · Hard
→If (f:\mathbb{N}\to\mathbb{N}) and (f(n)=n+2), what is the correct statement about (f)?
Class 12 · Mathematics · Hard
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=(k-2)x+5), when will (f) be one-one?
Class 12 · Mathematics · Hard
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^2-4x+7), which option shows that (f) is not one-one?
Class 12 · Mathematics · Hard
→If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=7), what is the correct statement about (f)?
Class 12 · Mathematics · Hard
→