9. f(x) = x - 5 (a) f(x) = 4 (b) f(x) = -6 Hovessolui 10. f(x) = 1/x (a) f(x) = -5 11. f(x) = V + 7 (a) f(x) = 4 (b) f(x) = 1 e 12. f(x) = Vx – 1 (a) f(x) = -2 (b) f(x) = 0 0 (b) f(x) = 3
In Exercises 9–12, find all real solutions to the equations.
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