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the distance from the zero point (or equilibrium) to the maximum height or depth of a wave or periodic graph.
the ratio of vertical replacement to the horizontal replacement of a straight line; or the slope...
a test that determines whether or not a given graph represents a function.
the angle that a line makes with the positive x-axis measured in an anticlockwise...
numbers that are not real numbers, such as the square roots of negative numbers. Imaginary...