Question 53497
if A is greater than 0.07c + 0.02, then the enzyme is working as it should.  Graph the inequality in the first quadrant.
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A>=0.07C + 0.02

Draw a coordinate system with C as the horizontal axis 
and A as the vertical axis.
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Generate and plot two points as follows:
If C=0, A=0.02 giving you the point (0,0.02)
If A=0,C=10 A= 0.72 giving you the point (10,0.72)
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Draw a line (only in the 1st quadrant)
That is the graph of the equality.
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To add the graph of the inequality shade the area above the line
but staying in the 1st quadrant.
Cheers,
Stan H.