Question

Sorry I ain’t know why it look like that buh can someone help asap

Answer 1

`for \: \: dmain \: of \: {f}^( - ) \: \: is \: equal \: f \: range \\ y = √(x ) - 5 \\y \: range \: is \: y \geqslant - 5\\ y + 5 = √(x) \\ x = {(y + 5)}^(2) \\ {f}^( - 1) = {(x + 5)}^(2) \\ \\ dmain \: of \: \: {f}^( - 1) \: x \geqslant - 5`