Use a graphing calculator to estimate the solution set of the equation. Round to the nearest hundredth.
-$9 \mathrm { e } ^ { 2.1 \mathrm { x } } = 43$
A) $\{ 0.74 \}$
B) $\{ 3.28 \}$
C) $\{ 4.69 \}$
D) $\{ 1.56 \}$

Question

Quizplus · Accepted Answer

To solve $9e^{2.1x} = 43$, you can graph $y = 9e^{2.1x}$ and $y = 43$ on a graphing calculator and find the x-value where they intersect. The correct solution, rounded to the nearest hundredth, is approximately $x = 0.74$.

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