### Home > A2C > Chapter 12 > Lesson 12.3.1 > Problem 12-136

12-136.

An exponential function has an asymptote at *y* = −10 and passes through the points (2, 8) and (4, 30.5). Find its equation. Homework Help ✎

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

*k*

What do you know is the value of *k*?

Use the given points to find *a* and *b*.