CONCERT SEATS Four couples have reserved seats ina row for a concert. In how many different ways canthey be seated if(a) there are no seating restrictions?(b) the two members of each couple wish to sit together?

Math 103—Week 45 Notes—3.23.5 3.2: Derivatives: The derivative of a function f(x) at any point x: f (x)=lim f(x+h )− f (x) h→0 h ' f(z − f (x) f (x)=lz→ x z−x *z = x + h, or the second point Derivative notations: ' ' dy df d f (x =y = = = f(x =D (f)(x)=D fx(x) dx dx dx One can graph a derivative by estimating the slope at several...