Answer the following questions for the price-demand equation. p+0.005x = 50 The domain of this function is (Type an inequality or a compound inequality.) (B) Find the elasticity of demand, E(p). E(p)=0 (C) What is the elasticity of demand when p=30? The elasticity of demand when p= 30 is (Type an integer or a simplified fraction.) If the price is increased by 20%, what is the approximate change in demand? The demand approximately %