MATH 𝒳𝒴𝒵

Why is this function f in "$$f(\begin{bmatrix} x \\ y \\ z \\ \end{bmatrix}) = det\left(\begin{bmatrix} x & v1 & w1 \\ y & v2 & w2 \\ z & v3 & w3 \\ \end{bmatrix} \right)$$" is linear based on propert...