Use a graphing calculator to estimate the solution set of the equation. Round to the nearest hundredth.
-$9 \mathrm { e } ^ { 2.2 \mathrm { x } } = 50$
A) $\{ 0.78 \}$
B) $\{ 1.71 \}$
C) $\{ 5.14 \}$
D) $\{ 3.77 \}$

Question

Quizplus · Accepted Answer

To solve the equation $9e^{2.2x} = 50$, you can graph the left side $9e^{2.2x}$ and the right side $50$ as two separate functions and find their intersection point. Using a graphing calculator, you would find that the x-coordinate of the intersection point, which is the solution to the equation, is approximately $0.78$, rounded to the nearest hundredth.

Use a Graphing Calculator to Estimate the Solution Set of the Equation