Answer
The function $y=3e^{-\frac{2}{3}x}$ matches with the graph labeled (e).
Work Step by Step
y-axis intercept ($x=0)$:
$y=3e^{\frac{-2(0)}{3}}=3e^0=3$
The graph of $y=ae^{bx}$ decreases as $x$ increases when $b\lt0$. In this case $b=-\frac{2}{3}$.