Given the function f(x) = 3x - 5. - 1
(a) Findf
(b) Graph fand f
in the same rectangular coordinate system.
(c) Use interval notation to give the domain and the range of f and f-1.
The inverse function is f'(x)=?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.