Which of the Following Is an Expression of the Relationship $X=\frac{A \times\left(\mathrm{Y}_{1}\right)}{\left(\mathrm{Y}_{2}\right)}$

Multiple Choice

Which of the following is an expression of the relationship between a dependent variable and several independent ones:

A) Y = a + Bx
B) Y = a + b₁X₁ + b₂X₂ + ... B_kX_k
C) Y = a₁ + a₂ = ... a_k + B_kX_k
D) $X=\frac{A \times\left(\mathrm{Y}_{1}\right) }{\left(\mathrm{Y}_{2}\right) }$