Practice problem
For f(x)=2−xf(x)=2-xf(x)=2−x, what is f−1(x)f^{-1}(x)f−1(x)?
f−1(x)=2+xf^{-1}(x)=2+xf−1(x)=2+x
f−1(x)=2−xf^{-1}(x)=2-xf−1(x)=2−x
f−1(x)=y+2f^{-1}(x)=y+2f−1(x)=y+2
f−1(x)=y−2f^{-1}(x)=y-2f−1(x)=y−2
Type a concept, like “slope” or “photosynthesis”.