Question

What equation represents this function? Write an equation in terms of π that shows how we can use the independent variable, d, to find the dependent variable, C.
d
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πd
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C

Answer 1

The relationship described in your question suggests that the independent variable \(d\) represents the diameter of a circle, and the dependent variable \(C\) represents the circumference of that circle.

The equation that relates the diameter \(d\) to the circumference \(C\) of a circle is given by:

\[
C = \pi d
\]

In this equation:
- \(C\) is the dependent variable (circumference).
- \(d\) is the independent variable (diameter).
- \(\pi\) is a mathematical constant approximately equal to 3.14159.

So, the equation \(C = \pi d\) shows how to use the independent variable \(d\) to find the dependent variable \(C\).