Al's Production Function for Deer Is F(x₁, X₂)= (2x₁

Multiple Choice

Al's production function for deer is f(x₁, x₂) = (2x₁ + x₂) ^1/2, where x₁ is the amount of plastic and x₂ is the amount of wood used.If the cost of plastic is $8 per unit and the cost of wood is $1 per unit, then the cost of producing 7 deer is

A) $49.
B) $119.
C) $196.
D) $7.
E) $28.