Answer:
28
Step-by-step explanation:
Using the rule of radicals
×
⇔ 

= 
=
× 
= 4
Then
7
= 7 × 4
= 28
Answer:
<h2>Pi/4(4r²/3)</h2>
Step-by-step explanation:
D is the correct option.
The reflection is written as:

And the graph can be seen below.
<h3>
How to get the graph of the reflection?</h3>
Here we have the function:

A reflection across the x-axis is given by:

Then, replacing the function f(x) by the actual equation:

The graph of the function g(x) can be seen below:
If you want to learn more about reflections:
brainly.com/question/4289712
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