The circumference, in $\mathrm{cm}$, of a circle whose radius is $r \mathrm{~cm}$ is given by $C=2 \pi r$. If $C=f(r)$, evaluate and interpret $f(r)+5$.
A) $2 \pi r+5$, the circumference of a circle of radius $r+5$.
B) $2 \pi r+5,5$ more than the circumference of a circle of radius $r$.
C) $2 \pi r+10 \pi$, the circumference of a circle of radius $r+5$.
D) $2 \pi r+10 \pi, 5$ more than the circumference of a circle of radius $r$.

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The Answer of The circumference, in $\mathrm{cm}$, of a circle whose radius is $r \mathrm{~cm}$ is given by $C=2 \pi r$. If $C=f(r)$, evaluate and interpret $f(r)+5$.
A) $2 \pi r+5$, the circumference of a circle of radius $r+5$.
B) $2 \pi r+5,5$ more than the circumference of a circle of radius $r$.
C) $2 \pi r+10 \pi$, the circumference of a circle of radius $r+5$.
D) $2 \pi r+10 \pi, 5$ more than the circumference of a circle of radius $r$.

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The Circumference, In $\mathrm{cm}$ , of a Circle Whose Radius Is $r \mathrm{~cm}$