question 4-5

Workbook 5 4. A function is given as f(x) = 9x2 + 3x. a. If S(x) = (g . h)(x), state two possible pairs of equations for g(x) and h(x). b. If f(x) = (8 . h)(x), state two possible pairs of equations for g(x) and h(x). 5. On a particular day, the function y(c) = 99.3c converted Canadian dollars to Japanese yen. That same day e(y) = 0.0074y 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