9702-help needed on MCQ Question

Also I'm not sure if this is part of the AS syllabus since apparently you need to use W=pv which is a formula taught in A2? I'm not sure can someone clarify, thanks :)

Also I'm not sure if this is part of the AS syllabus since apparently you need to use W=pv which is a formula taught in A2? I'm not sure can someone clarify, thanks :)