Category: Relation and Functions

Question Number 24981 by tawa tawa last updated on 30/Nov/17 Commented by tawa tawa last updated on 30/Nov/17 $$\mathrm{please}\mathrm{help}.$$ Answered by kaivan.ahmadi last…

Question Number 155809 by zainaltanjung last updated on 05/Oct/21 $$\mathrm{Given}\mathrm{that}f\circ g=\frac{x^2}{2x^2-x+4}\mathrm{and}$$$$g\left(x\right)=\frac{x}{x-2},\mathrm{find}f\left(x\right)?$$$$$$ Answered by PRITHWISH SEN 2 last updated…

Question Number 24612 by rish@bh last updated on 22/Nov/17 $$\mathrm{If}f\left(x\right)=\left[x\right]thenisfof\left(x\right)=f\left(x\right)?$$$$$$ Answered by jota last updated on 22/Nov/17 $$Yes.\left[x\right]>=0\Rightarrow \left[\left[x\right]\right]=\left[x\right]$$ Commented…

Question Number 24352 by tawa tawa last updated on 16/Nov/17 $$\mathrm{for}\mathrm{what}\mathrm{value}\mathrm{of}\mathrm{y}\mathrm{will}\frac{{\mathrm{x}}^2+4}{6\mathrm{x}-8}\mathrm{lies}\mathrm{between}\mathrm{a}\mathrm{positive}\mathrm{integer}.$$ Commented by math solver last updated on 16/Nov/17 $$\mathrm{might}\:\mathrm{be}\:\mathrm{it}\:\mathrm{is}\:\mathrm{y}=\:\mathrm{x}^{\mathrm{2}} +\mathrm{4}/\mathrm{6x}−\mathrm{8}\:……. \…

Question Number 89768 by john santu last updated on 19/Apr/20 $$t\left(n\right)-t(n-1)=n$$$$forn>0andt\left(0\right)=1$$$$findt\left(n\right)$$ Answered by john santu last updated on 19/Apr/20…