The image is the set of all points in $\mathbb{R}^4$ that you get by multiplying this matrix to points in $\mathbb{R}^5$, you can find these by checking the matrix on the standard basis. The kernel is the set of all points in $\mathbb{R}^5$ such that, multiplying this matrix with them gives the zero vector.
These seven companies alone have produced almost one-fifth (18.7 percent) of all industrial carbon released into the atmosphere since the dawn of the Industrial Revolution.
Not only does China manufacture most of the worldâs mining equipment, but massive mining farms are located there to take advantage of extremely cheap electricity prices. China also accounts for hefty Bitcoin trading volumes. Chinese exchanges used to lead the world in terms of volume. However: