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Home > PC3 > Chapter 4 > Lesson 4.3.2 > Problem 4-126


Write an equation for an exponential function of the form that passes through the points and . The steps of the process are outlined below if you need them.  

  1. Write a system of two equations by replacing and with the coordinates of the two given points.

  2. Solve for in terms of in one equation. Substitute this value into the other equation to obtain one equation with a single variable, .

  3. Solve your equation from part (b) for .  

  4. Use the value of from part (c) to determine the value of .

  5. Write the final equation.