## Functions Modeling Change: A Preparation for Calculus, 5th Edition

$$4.04e^{-.3x}$$
Simplifying the expression using the rules of exponents: $$\frac{7e^{0.2x}}{\sqrt{3}e^{\frac{x}{2}}} \\ \frac{7}{1.73 e^{0.3x}} \\ 4.04e^{-.3x}$$