CPM Homework Banner

Home > A2C > Chapter 3 > Lesson 3.2.1 > Problem 3-95


Find a possible exponential function in form that represents each situation described below.

  1. Has an initial value of and passes through the point .

    Since it has an initial value of , the value of a is .
    Substitute this into the general equation:

    Substitute the values and for and , respectively, then solve for .

  2. Passes through the points and .

    Create two equations substituting the values of the ordered pairs for x and y into the equation .

    Solve the system of equations for a and b.

    Be sure you use your results for a and b to write the equation.