CPM Homework Banner

Home > CCA > Chapter 7 > Lesson 7.2.1 > Problem 7-87

7-87.

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

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

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

    Substitute the values for and for , then solve for .

  2. Passes through the points and .

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

    Solve the system of equations for and .

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