chelsea-bennett_60c06aa756dbc
chelsea-bennett_60c06aa756dbc
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f(x) = x² - 9 f(x) = 0 ---> x² - 9=0--->x² =9 ---> x = +/-3 a) f(3) = 0 f(x) = 7 ---> x² - 9 =7---> x² = 16 ---> x = +/-4 b) f(4) = 7 f(x) = -9---> x² -9= -9 ---> x² = 0-->x = +/-0 c) f(0) = -9 …