Use a graphing calculator to solve the equation. Round your answer to two decimal places.
-$$\mathrm { e } ^ { \mathrm { x } } = - \mathrm { x }$$
A) $\{ - 0.57 \}$
B) $\{ 1.05 \}$
C) $\{ 0.57 \}$
D) $\{ - 1.05 \}$

Question

Quizplus · Accepted Answer

The equation $e^x = -x$ cannot be solved analytically using elementary functions. However, using a graphing calculator to find the intersection of $y = e^x$ and $y = -x$, we find that the solution is approximately $x = -0.57$.

Use a Graphing Calculator to Solve the Equation ex=−x\mathrm { e } ^ { \mathrm { x } } = - \mathrm { x }ex=−x

Use a Graphing Calculator to Solve the Equation $\mathrm { e } ^ { \mathrm { x } } = - \mathrm { x }$