CHAP 4 REVIEW

A writeanequationmodelingthepriceto

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Unformatted text preview: is the set of natural numbers and the output produces the terms of the sequence 9, 13, 17, 21, ... . 16) Determine if the following is a function or not. a. The set of ordered pairs {(12, 17), (16, 21), (17, 22), (18, 27)} in the set of whole numbers. b. The set of ordered pairs {(5, 10), (9, 14), (9, 15), (11, 16)} in the set of whole numbers. 17) Given the function f(x) = 5x - 1 and a domain of {- 2, - 1, 0, 1, 2}. Illustrate the function using a set and arrow diagram. x - 8 - 8 2 5 9 y 2 1 4 - 6 - 1 19) A private message agency charges 65 cents for the first ounce and 30 cents for each additional ounce or fraction of an ounce to send a message across town. a. Write an equation modeling the price to send a message that weighs x ounces. Simplify completely. b. How much does it cost to send a message weighing 4.5 ounces? 20) Given: f(x) = 2x + 3 and h(x) = 5 - x SIMPLIFY COMPLETELY SHOW ALL WORK a. f( - 7) b. h(k + 1) c. (h ∘ f)(2) d. (f ∘ h)( - 2t...
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