Practice problem
made using Desmos
Which of the colored functions above are the inverse to the purple function f(x)=xf(x)=\sqrt{x}f(x)=x?
Green.
Blue.
Red.
Black.
Type a concept, like “slope” or “photosynthesis”.
![Graph of the following
red:x^4+2
green: (x+1)^3
blue: -x^2 with domain (-infinity, 0]
purple: sqrt{x}
black: x^2 with domain [0,infinity)](https://d20khd7ddkh5ls.cloudfront.net/desmos-graph-144.png)