Question: Solve step by step 3 Functions f and g are defined by f ( x ) = lal X ER and g(x) = Ixl+ 3x

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3 Functions f and g are defined by f ( x ) = lal X ER and g(x) = Ixl+ 3x ,XER 2 respectively. (a) Express functions f and g without absolute values. (b) Find g + f without absolute values. (c) Without sketching a graph, explain why g + f is continuous at x = 0

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