Answer
See graph and explanations.
Work Step by Step
Step 1. Graph the circle $x^2+y^2=4$, as the inequality includes an equal sign, make this circle solid.
Step 2. Using a test point away from the boundary, such as $(0,0)$, we have $0\lt4$ which is true; thus the side with this test point should be shaded as shown in the figure.
