What is the length of the line segment that extends from point \(a\) to point \(b\) if point \(a\) is at \((5, 4)\) and

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What is the length of the line segment that extends from point \(a\) to point \(b\) if point \(a\) is at \((5, 4)\) and point \(b\) is at \((9, 8)?\)

A. \(2\)
B. \(3\)
C. \(4\)
D. \(4\sqrt{2}\)
E. \(4\sqrt{3}\)

OA D