Please help with questions

1. 6. 7. Let demand be P(Q) = 6 E Q. What is the price elasticity of demand at Q = 4? \" 1 a. S:(' '1' b_ S:(' 2 c. 524\" d. 522\" Suppose we have 3 types of households each with private demand for a public good (like flood protection) ofP1(Q) = 5, P2 (Q) = 10 Q, and P3(Q) = 20 2Q. What is the social demand curve for the range Q 0). What does that tell us about the demand elasticity at that point? \" a. E > 1\" b. E