Final answer:
The kernel of a linear transformation can be found using a null space calculator. It represents the solution space of the homogeneous equation Ax = 0.
Step-by-step explanation:
The correct option to find the kernel of a linear transformation is B. Null space calculator.
The kernel of a linear transformation refers to the set of all vectors in the domain that get mapped to the zero vector in the codomain. In other words, it represents the solution space of the homogeneous equation Ax = 0, where A is the transformation matrix and x is a vector.
To find the kernel, we can solve the homogeneous equation by row reducing the augmented matrix [A | 0]. The leading variables correspond to the pivot columns, while the free variables represent the basis for the kernel.