# How do you find all the asymptotes for function f(x) = 2^x + 1 ?

Apr 11, 2016

y = 1

#### Explanation:

The exponential function ${2}^{x} > 0$.
So, y > 1. The graph is above y = 1.

${2}^{- \infty} = 0$.

So, as $x \to - \infty , y \to 1$.

y = 1 is asymptotic to the curve.