When a function is reflected, it must be reflected over a line
The new function is: 
The equation is given as:

The rule of reflection over the y-axis is:

So, we have:

Rewrite as:

Hence, the new function is:

Read more about reflections at:
brainly.com/question/938117
Answer what? This question? Oh, I'm answering it right now. Did you have another question out? Well, I can't see it.
Answer:
$20
Step-by-step explanation:
15/3=5 which means that for every guest attending Carla's retirement party it must cost her $5 each.
Therefore if 4 guests come to the party it must mean 4(5) which is 20.
Hence $20
In expanded form that would be 10,000,000 + 6,000,000 + 100,000 + 7,000 + 300 + 20