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题1(2011年湖北省预赛第9题)已知二次函数y=f(x)=x2+bx+c的图象过点(1,13),且函数y=f(x-1/2)是偶函数.(1)求f(x)的解析式;
Problem 1 (Hubei Provincial Preliminary Round 9, 2011) It is known that the image of the quadratic function y = f (x) = x2 + bx + c passes through point (1,13) and the function y = f 2) is an even function. (1) Find the analytical formula of f (x)