2 Answered Questions for the topic quadratic inequalities

Quadratic Inequalities Algebra Inequalities Quadratics

12/14/20

Please help with this A-level question, after days I still have no idea how to reach the correct answer

Questions on Quadratic Inequalities: Solve the following inequalities, giving your answers in set notation:−x² > 4x ² − 5The answer I've been told is correct is, {x:x > −5} ∩ {x:x < 1},... more
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Quadratic Inequalities Word Problem

03/21/19

suppose the cost of producing x (in thousands) of pens is given by C = x^2 - 5x - 1000. how many pens must be produced for the cost to be at most 40 000
need answers fast pls asap with solutions
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