6 b a This graph converts between US dollars (US$) and Hong Kong dollars (HK$). How many Hong Kong dollars can you get in exchange for US$5? Copy and complete this table. US$ HK$ 1234567 HK$ 60- 50- 40- 30 20 10- C Write down a function to show the connection between HK$ (y) and US$ (x). 1 2 3 4 5 6 7 8 x d How many HK$ can you get in exchange for US$50? US$​