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Mathematics 16 Online
OpenStudy (anonymous):

Hi, could someone help me understand how they got the answer of 5 for the attached question? Thanks!

OpenStudy (anonymous):

OpenStudy (dumbcow):

due to symmetry of the parabola, the vertex or highest point in this case will always be the midpoint of 2 x_intercepts (3+7)/2 = 5

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