Answer:
3/4
Step-by-step explanation:
Answer:
See attachment
Step-by-step explanation:
To see clearly the graph that represents

we rewrite in vertex form to get;

This is a vertical parabola with vertex at (-1.5,-0.25) and opens upwards.
The required graph is shown in the attachment.
Answer:
5
Step-by-step explanation:
The number of elements in set A is 5.
Answer:
c
Step-by-step explanation: