### Home > CC4 > Chapter 11 > Lesson 11.2.3 > Problem 11-86

11-86.

Write the equation of an exponential function that passes through each pair of points.

*11-86 HW eTool*(Desmos). Homework Help ✎a.

(−1, −2) and (3, −162)

b.

(2, 1.75) and (−2, 28)

Use the eTool below to solve each part by entering your equations.

Click the link at right for the full version of the eTool: Int1 11-86 HW eTool.