it said maximum rate of change so mathematics mentality kicked in. I put something like 88 cause it was steepest at this point.
edit: was it actually max rat of change, or did i read it completely wrong.
pretty sure it was wrong though, p.s did the question ask for a range? starting to forget...
i'm just an idiot..i put two forms of quarantine. would you get marked down for saying something like fruit fly exclusion zones and border control by Australian quarantine and inspection service.