401 16.4 Exercises Exerciso 16.6 Test the stabilil y o f the sgsterr~ Exercise 1(3,7 Where is the left half of the unit, circlc on the: x-pla~ieprojcct,ed to on the s-plane wlieii Iransforrwd hy tlic bifincar transform (16.'21)*? Exercise 2T'O(s2 i 1) - - - is given A co ml loo] with E ( s ) - s and G'(s) = ~ S Exercise 16.9 Consider a s y s t c m a) Is $1 H ( s ) stable'? viitli transfer fiuic~tionH ( s ) = sz t 1'