Composition of Functions: A shirt that is size x in Japan is size s (x) in the United States, where s (x) = x – 5. A shirt that is size x in the United States is size t (x) in Australia, wher t (x) = x + 4. Find a function that will convert Japanese shirt sizes to Australian shirt sizes. a) Determine the US shirt sizes that correspond to sizes 15 and 21 in Japan. b) Find a function that will convert Japanese shirt sizes to Australian shirt sizes. c) Use the function from part b to determine the Australian shirt sizes that correspond to the Japanese shirt sizes 11 and 19.

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