1.If f:R→Rf: \mathbb{R} \to \mathbb{R}f:R→R and f(x)=sin([x]π)x2+2x+3+2x−1+x(x−1)+14f(x) = \frac{\sin([x]\pi)}{x^2+2x+3} + 2x - 1 + \sqrt{x(x-1)+\frac{1}{4}}f(x)=x2+2x+3sin([x]π)+2x−1+x(x−1)+41 (where [x][x][x] denotes integral part of xxx), then f(x)f(x)f(x) isa.one-one but not ontob.one-one and ontoc.onto but not one-oned.neither one-one nor ontoLogin to continueOnly logged in users canattempt or see the solution.
