Calculus Examples

$f (x) = 1 + 2 e^{x}$ , $x = 1$

Step 1

Since $x = 1$ is a vertical line, the slope is undefined.

Undefined

Step 2

Since the slope of the equation $x = 1$ is undefined, there is no tangent line for $f (x) = 1 + 2 e^{x}$ which is parallel to $x = 1$ .

No tangent line can be found