Given: p is true prove: p → q is true assume ~q is true. then ~q → r, and r → s. since s → ~p, ~q → ~p by the law of syllogism. therefore, p → q is true. what type of proof is illustrated above? a. proof by contradiction b. proof by contraposition c. proof by law of detachment d. proof by law of syllogism

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.