0.51 is the answer since the nine converts the zero before it to a 1
It is b only b I think sorry If I am wrong have a good day
Given that the radius r of a circle is written as a function of the area A with the following equation:
![r=\sqrt[]{\frac{A}{\pi}}](https://tex.z-dn.net/?f=r%3D%5Csqrt%5B%5D%7B%5Cfrac%7BA%7D%7B%5Cpi%7D%7D)
The domain of the above function is the area A of the circle.
This is because, in this context, the area is an independent and unique variable.
A is the input value.
Y = mx + c
m = gradient
c = y-intercept
Therefore, m=3 and c= -2