Step-by-step explanation:
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The function rule for number 7 is x+3
The function rule for number 8 is x-5
The function rule for number 2 is x*3
I'm not sure about the rest tho ;-; srry
To find the area of a circle, start with the formula for the area of a circle.
Area = ![\pi](https://tex.z-dn.net/?f=%5Cpi)
![r^{2}](https://tex.z-dn.net/?f=r%5E%7B2%7D)
Notice that we are given the radius of the circle so we can plug the radius into our formula.
Area =
(4 cm)²
Area = 16π cm².
Now, remember that π is approximately equal to 3.14. We can estimate the area of the circle by plugging in 3.14 for π.
(16) (3.14) = 50.24 cm³.
Therefore, the area of the circle is approximately equal to 50.24 cm³.
The answer is
x=-2
Hope this helps