unit elasticity at the indicated values of p. x = f(p)=2170-5p -0.1p² (A) Describe the demand's elasticity for the given price-demand equation at p=35. Elastic/Unit elastic/inelastic (B) Describe the demand's elasticity for the given price-demand equation at p=70 Elastic/ Unit elastic/inelastic (C) Describe the demand's elasticity for the given price-demand equation at p = 90 Elastic/ Unit elastic/inelastic

If automobiles and gasoline are complements, then their cross-elasticity coefficient is a. strictly greater than 1. b. positive. c. equal to zero. d. negative.

The demand function for a certain item is Q= p represents the price of an item and Q represents the number of items sold at that price. (a) Evaluate the demand elasticity E when p = 8. E(8)= -0.625 (b) For what value of p is the demand elasticity unitary? p=|| Here, "demand elasticity" is the absolute value of = 200(80 - p²). percent change in quantity percent change in price for an infinitesimal change in price, so E = AQIQ lim Ap-0 Aplp

The demand function for specialty steel products is given, where p is in dollars and q is the number of units. p = 90110 - g (a) Find the elasticity of demand as a function of the quantity demanded, q. n = (b) Find the point at which the demand is of unitary elasticity. Find intervals in which the demand is inelastic and in which it is elastic. (Enter your answers using interval notation.) inelastic elastic (c) Use information about elasticity in part (b) to decide where the revenue is increasing, and where it is decreasing. (Enter your answers using interval notation.) increasing decreasing Use information about elasticity in part (b) to decide where the revenue is maximized. (d) Graph the revenue function R = pq, and use it to find where revenue is maximized. R R 35 000 30 000 35 000 30 000 25 000 25 000 20 000 20 000