Question

Determine whether each equation is a function.

$2x+y=-3$

Short answer

When$x=3$, then$y=-9$

Step-by-step solution

Step 1. Given Information

$2x+y=-3$

Step 2. For value of y

We subtract $2x$both sides

$y=-2x-3$

If x=3

$$\begin{gathered} y=-2\left(3\right)-3 \\ y=-9 \end{gathered}$$