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Table of values that represents y as a function of x.y = 2x + 4x + 22 f(x) = 2x + 4x + 22
A function is a relation in which each x value has exactly one y value
distancetime 1 3 4 6 8
90 270 360 540 720
Table of values that shows distance as a function of time.
d = 90t d(t) = 90t