thematics 30-1: Module 7 Assignment C. Suppose that taxes, by law, are not to be charged on delivery fees. Which composite function must then be used? ( Goa ) (x) must beused if it is not allowed Answer: (5) to collect taxes on delivery fees. You have designed a screen saver for your computer that is an expanding circle, constantly changing colours. The circle starts as a dot in the middle of the screen and expands outward. With a 21-in screen, you have a viewing area with a 10-in radius (measured from the centre diagonally down to a corner). The circle reaches the corners in 5 s. Express the area of the circle as a function of time t in seconds. (Don't worry about the area cut off by the edges of the viewing area.) Answer: (5) For each of the following, determine whether the statement is true or false. Clearly explain your reasoning and illustrate with functions you create to support your decision. a. f(x) . g(x) = 9(x) . f(x) Answer: (4) b. (fog) (x) = (got) (x) Answer: (4) Submit your completed Lesson 6 Assignment to the dropbox G6 for assessment. 2012 Alberta Education