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9-48.

Use the graph below to write an exponential equation in form.

Increasing exponential curve, horizontal asymptote, at x axis, with highlighted point at (0, comma 0.2), & slope triangle, from that point to another point, labeled as follows: horizontal leg, + 1, vertical leg, + 1.4.


What part of the equation, , can be easily calculated knowing the point ?

The second point is . Use this point to calculate .