please help with questions 1-3 :)

Question 1 0/1 pt Details Give y = f (u) and u = g (x), find - by using Leibniz's notation for the chain rule: dy dy du dx du dx y = 5u - 4, u = 3x2 dy dx Question Help: B VIDEO B Read Message instructor D Post to forum Question 2 0/1 pt @ Details For the given y = f (u) and u - g (x), find y d by using Leibniz's notation for the chain rule: dy dy du dx du dx y = 2u', u = 2x + 5 dy dx Question Help: Message instructor D Post to forum Question 3 0/1 pt @ Details For the given y = f (u) and u - 9 (x), find da zy by using Leibniz's notation for the chain rule: dy dy du dx du da y = sinu, u = 3x - 4 dy dx Question Help: Message instructor D Post to forum