Let f and g be functions on Z defined by: (x, y) = giff y = 2x² - 5 and (x, y) efiff y = -3x + 7 Which one of the following alternatives represents the range of g (ie ran(g))? Select one: O a. Z O b. (y | 2x² - 5 € Z} O c. {y I for some ye Z, y = 2x² - 5 € Z} O d. function range

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