# FNGR 2 | Lesson 5 | Practice (Graphing Inverse Functions) Solutions

1. Yes, both are functions and are reflections over $$y=x$$ .
2. No, the square root equation is not a function, although they are reflections over $$y = x$$ .
3. No, the second equation is not a function, although they are reflections over $$y=x$$ .
4. Yes, they are both functions and reflect over $$y=x$$ .
5. Yes, they are both functions and reflect over $$y = x$$ .
6. No, the blue curve is not a function.
7. Yes they are both functions and reflect over $$y = x$$ .
8. No, the blue curve is not a function.