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a function that can be written in the form y = ax + b, where a and b are real numbers, and that when plotted, results in a straight-line graph.
the difference between two terms, both of which are perfect squares, such that the factors are...
cosecant, secant and cotangent are the three reciprocal functions of sine, cosine and tangent,...
a statistical average; the sum of all the values divided by the number of values.
the maximum or minimum point on a curved graph. Also called a vertex.