Question Number 83403 by jagoll last updated on 02/Mar/20
$$\mathrm{what}\:\mathrm{is}\:\mathrm{range}\:\mathrm{function}\: \\ $$$$\mathrm{y}\:=\:\frac{\mathrm{1}}{\left(\mathrm{x}−\mathrm{1}\right)^{\mathrm{2}} } \\ $$
Answered by MJS last updated on 02/Mar/20
$${y}=\frac{\mathrm{1}}{\left({x}−\mathrm{1}\right)^{\mathrm{2}} }\:\mathrm{defined}\:\mathrm{for}\:{x}\neq\mathrm{1} \\ $$$${x}=\mathrm{1}\pm\frac{\mathrm{1}}{\:\sqrt{{y}}}\:\mathrm{defined}\:\mathrm{for}\:{y}>\mathrm{0}\:=\:\mathrm{range} \\ $$