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Home > INT2 > Chapter 12 > Lesson 12.2.3 > Problem 12-109

12-109.

An exponential function is a function of the form .

  1. What is the equation of an exponential function that passes through the points and ?

    Substitute the points to get two equations.


    Solve for and .

  2. What does the value from part (a) tell you about the function?


    Starting value should be .

  3. Write a situation that could be modeled by this equation.