### Home > INT3 > Chapter 8 > Lesson 8.3.2 > Problem 8-115

8-115.

An exponential function has an asymptote at *y* = 5 and passes through the points (2, 5.64) and (–1, 15). What is the equation of the function? Homework Help ✎

Use *y = ab ^{x} + k*.

*y* = 4(0.4)* ^{x}* + 5