Respuesta :

Answer:

6. First choice

7. Second choice

Step-by-step explanation:

For number 6, The first choice has a closed circle and the arrow goes to the right, meaning greater than or equal to

For number 7, all values are include except where the open circle is


gmany

t ≥ 0 - black circle, draw black line to the right of 0

≥ - black circle

( ---≥ ) draw black line to the right

Answer: First graph


x ≠ -4 - open circle

Answer: Second graph