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a mathematical expression or equation using one or more of the symbols <, >, ≤, or ≥.
statistical data organised in a table. The data may be grouped or ungrouped.
the angle that a line makes with the positive x-axis measured in an anticlockwise...
a periodic function is one that repeats after a given interval. The period is therefore the...
the amount by which a value changes, expressed as a function of time.