(7) (a) Find the linear approximation L(x, y) to the function f(x, y) = √² + y² + 4 at the point (3,6). (b) Approximate the number (3.015)2+4+ (5.9919)2 using (a).

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Q: (d) Prore that the function f(x) =X is Continous but not unifomly Continous on the intenal

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