pls answer this >

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

Ineed with number 17 i don’t get it at alll

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)