(a)[1]
Draw a sketch of the graph of $y = |4x - 2|$.
(b)[4]
Solve the inequality given by $1 + 3x < |4x - 2|$.
Mathematics 9709 · AS & A Level · Algebra
Algebra — practice question
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A recognisable sketch of $y=|4x-2|$, approximately symmetrical, extending into the second quadrant with some indication of scale.” …
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