Lana cannot taste any difference between Coke (c) and Pepsi (p) and so she views one bottle of each as perfect substitutes.

Which utility functions might reflects Dana's preference?

(Select each correct answer.)

U(c,p)=c+p

U(c,p)= Square root (c+p)

U(c,p)=2c+2p

U(c,p)= Square root (2c+2p)

U(c,p)=2c+p

U(c,p)= Square root (2c+p)

U(c,p)=cp

U(c,p)= Sqaure root (cp)