Practice problem
For f(x)=3−xf(x)=3-xf(x)=3−x, what is f−1(x)f^{-1}(x)f−1(x)?
f−1(x)=3−xf^{-1}(x)=3-xf−1(x)=3−x
f−1(x)=3+xf^{-1}(x)=3+xf−1(x)=3+x
f−1(x)=y+3f^{-1}(x)=y+3f−1(x)=y+3
f−1(x)=y−3f^{-1}(x)=y-3f−1(x)=y−3
Type a concept, like “slope” or “photosynthesis”.