Point A shows that she is incorrect.
With functions, you can perform the "straight line test through each point. If the line goes through both points, you know it's not a function.
If we plotted point A, it'd fail the straight line test because the given point (-6, 7) already has -6 as an x value.
Hope this helps!
Answer:0.1 is more than -3.8 so it would be >
Step-by-step explanation:
The answer is f(x)=x²+2x when evaluated with -3 gives you the value of 3
Answer:

Step-by-step explanation:

We'll combine the
and the
on the right side.

Now, we'll subtract
from both sides.

Divide both sides by
.

Ta-da!