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Mathematics 12 Online
OpenStudy (anonymous):

Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis.

OpenStudy (anonymous):

I have the derviative which is 2.5(ln5)5^x...but I dont know what to do next

OpenStudy (anonymous):

I have tried going straight to the point slope form and then plugging in the points but that answer was wrong.

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