On a particular day, the function y(0) = 99. converted Canadian dollars to Japanese yen. That same day e(y) = 0.007432 converted Japanese yen to...

I have already got A, just need guidance on B and C

5. On a particular day, the function y(0) = 99.3(: converted Canadian dollars to Japaneseyen. That same day e(y) = 0.007432 converted Japanese yen to euros. a. Write a composite function to convert Canadian dollars to euros for that day. b. Convert $500 CAD to euro. c. State and explain any restrictions on the composite function in part a.