Question

What’s the answer help please I need to pass this class

Answer 1

`c.\ f(x)=(18)/(x)-9\ \text{and}\ g(x)=(18)/(x+9)\\\\\text{in f(x), solve for x}\\\\(18)/(x)-9=y\ \ \ \ |+9\\\\(18)/(x)=y+9\\\\(18)/(x)=(y+9)/(1)\ \ \ \ |\text{cross multiply}\\\\x(y+9)=18\ \ \ \ |:(y+9)\\\\x=(18)/(y+9)\to f^(-1)(x)=(18)/(x+9)`