If f(n) = n 2 - n, then f(-4) is _____.
2 answers:
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Answer:
5√10
Step-by-step explanation:
The distance between two points A() and B(
) on the coordinate plane is given by:
From the image attached the coordinates of the points are E(-1, -1), F(8, -4), C(-7, -4) and D(-1, 2).
Hence the lengths of the line segment EF and CD are:
