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Find an exponential function that passes through each pair of points.

  1.   and  

    To start, write a system of equations in the form by substituting the points in for and .

    Divide the nd equation into the first to eliminate .

    Solve for .

    Substitute the value you found into one of the original equations.
    Solve for .
    Substitute both and back into the original equation with along with and .

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