piecewise-defined function with linear parts.
f(x)equals=StartAbsoluteValue 3 x plus 7 EndAbsoluteValue3x+7
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Part 1
f(x)equals=left brace Start 2 By 2 Matrix 1st Row 1st Column nothing comma 2nd Column x less than nothing 2nd Row 1st Column nothing comma 2nd Column x greater than or equals nothing EndMatrix enter your response here, x