#### Answer

d≥−1

#### Work Step by Step

You have the inequality $\frac{3}{5}$+d≥−$\frac{2}{5}$ and have to solve for d:
$\frac{3}{5}$+d$\geq$−$\frac{2}{5}$⟶ subtract $\frac{3}{5}$ from each side
d≥−1
The graph would have a closed circle since -1 is not included in the solution.