Functions - Quadratic Function

SOURCE:COMPETITION
Number of Problems: 4. : (Book)

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A parabola with equation $y=x^2+bx+c$ passes through the points $(2,3)$ and $(4,3)$ . What is $c$ ?

$mathrm{(A) } 2qquad mathrm{(B) } 5qquad mathrm{(C) } 7qquad mathrm{(D) } 10qquad mathrm{(E) } 11$

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