(Section 1.3: Basic Graphs and Symmetry) 1.3.3 PART D: LINEAR FUNCTIONSIf fx()=mx+b, where mand bare real numbers, and m±0, thenfis a linear function. In Section 0.14, we graphed y=mx+bas a line with slope mand y-intercept b. If =2x±1, for example, we graph the line with slope 2 and y-intercept
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