Question 146664
In one test, the chemist measures the concentration of the enzyme, c, in milligrams per milliliter and the fraction of light absorbed by the liquid, a.  If a >0.07c + 0.02, then the enzyme is working as it should.  Graph the inequality in the first quadrant.
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Graph the EQUALITY a > 0.07c + 0.02
{{{graph(400,300,-1,2,-1,0.5,0.07x+0.02)}}}
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Since you want "greater than", shade the half-plane ABOVE the line.
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That is the graph you want.
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Cheers,
Stan H.