The function described can be expressed as:
\[ A = \pi r^2 \]
In this equation, \( A \) represents the area of a circle, and \( r \) is the independent variable representing the radius of the circle.
What equation represents this function? Write an equation in terms of π that uses the independent variable, r, to find the dependent variable, A.
r
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πr
2
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A
1 answer