Part a) Use the graph of f(z) to find a number & that guarantees f(z)-31 <0.4 whenever |z-2|< 8. f(x) 3.4- 3- 2.6- d= 4.2 Part b) Use the graph of f(x) to find a number & that guarantees f(x)-4 <0.2 whenever (-4/<8. f(x) $ 1.5 Enter an integer or decimal number [more..] 4- 3.8 2 2.25 3.7 4 4.7 Au

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