Question

Can someone please help? Please explain

Answer 1

`\left\{\begin{array}{ccc}x\geq4\\y\geq-6\end{array}\right`

Draw a vertical line x = 4 and shade right /blue/

Draw a horizontal line y = -6 and shade up /red/

The common part is the answer /purple/

Answer: A

Answer 2

x >= 4

Draw a solid vertical line through x = 4 and shade to the right.

y >= -6

Draw a solid horizontal line through y = -6 an shade above.

The correct answer is A.