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Please explain Let f be the following piecewise-defined function. f ( x ) = x +7 for x$2 2x + 7 for x> 2 (a)

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Please explain

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Let f be the following piecewise-defined function. f ( x ) = x +7 for x$2 2x + 7 for x> 2 (a) Is f continuous at x = 2? (b) Is f differentiable at x = 2? (a) Is f(x) continuous at x = 2? O Yes O No (b) Is f(x) differentiable at x = 2? O Yes O No

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