| \(x\) | \(-1\) | \(-5\) | \(-10\) | \(-20\) | \(x\) approaches \(-\infty\) |
| \(f(x) =e^{x}\) | 0.36788 | 0.00674 | 0.00005 | \(-2\times 10^{-9}\) | \(f(x)\) approaches 0 |
| \(x\) | 1 | 5 | 10 | 20 | \(x\) approaches \(\infty \) |
| \(f(x) =e^{x}\) | \(e\approx 2.71812\) | 148.41 | 22,026 | \(4.85\times 10^{8}\) | \(f(x)\) becomes unbounded |