SOLUTION: In equation is Find a formula for F^-1(x). Give domain of f^-1 , including restrictions from f. 17.F(x)= sqrt(x-3) 21. f(x)= 3sqrt(x+5)?

SOLUTION: In equation is Find a formula for F^-1(x). Give domain of f^-1 , including restrictions from f. 17.F(x)= sqrt(x-3) 21. f(x)= 3sqrt(x+5)?

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Question 1049492: In equation is Find a formula for F^-1(x). Give domain of f^-1 , including restrictions from f. 17.F(x)= sqrt(x-3) 21. f(x)= 3sqrt(x+5)?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

since we have
.........swap and
.........solve for, first square both sides

so,

domain: (all real numbers)

........swap and
......solve for, first square both sides

domain: (all real numbers)

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