Category: Relation and Functions

Question Number 122337 by benjo_mathlover last updated on 15/Nov/20 $$Finddomainoffunction$$$$r\left(x\right)=\mathrm{arc}\cos \left(\frac{3}{4+2\sin x}\right)$$ Commented by liberty last updated on 16/Nov/20 $$\mathrm{The}\mathrm{function}\mathrm{defined}\mathrm{for}\mathrm{values}\mathrm{of}\mathrm{x}$$$$\mathrm{for}\:\mathrm{which}\:−\mathrm{1}\leqslant\:\frac{\mathrm{3}}{\mathrm{4}+\mathrm{2sin}\:\mathrm{x}}\:\leqslant\:\mathrm{1}\:. \…

Question Number 122128 by bemath last updated on 14/Nov/20 $$Forwhichnumbersa,b,c,d$$$$willthefunction$$$$\psi \left(x\right)=\frac{ax+b}{cx+d}satisfy\psi \left(\psi \left(x\right)\right)=x$$$$forallx.$$ Commented by liberty last updated on 14/Nov/20…

Question Number 122074 by bemath last updated on 13/Nov/20 $$Givenf:R\to Rsuchthat$$$$x^{2}f\left(x\right)+f(1-x)=2x-x^4$$$$findf\left(x\right).$$ Answered by bobhans last updated on 14/Nov/20 $$\left(\mathrm{1}\right)\:{x}^{\mathrm{2}}…

Question Number 121884 by oustmuchiya@gmail.com last updated on 12/Nov/20 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 56331 by maxmathsup by imad last updated on 14/Mar/19 $$calculate{lim}_{x\to 0}\frac{ch\left(cosx\right)-cos\left(chx\right)}{x^2}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com