Chapter 7 - Exponents and Exponential Functions - 7-6 Exponential Functions - Practice and Problem-Solving Exercises - Page 457: 23

Graph is below:

$ y= (-{\dfrac{1}{3})}^{x}$ is an exponential function. In order to graph, start by plotting the y-intercept $(0,-1)$ which is found by $f(0)=$ ${\dfrac{1}{3}}^{0}$ $=-1$. Using a table of values, you can plot the equation.