A Firm Has the Production Function $F(x₁, X₂)=⁰

Multiple Choice

A firm has the production function $f(x₁, x₂) =^0.40₁x^0.20₂.The isoquant on which output is 50^2/10 has the equation

A) x₂ =50x⁵₁.
B) x₂ =50x^-0.20₁.
C) x₁/x₂ = 2.
D) x₂ =50x^-2₁.
E) x₁ = 0.20x^-0.80₂.