Execute the following function calls.

a$)$ drawCircle $(4,6,3)$

b$)$ drawCircle $(8,10,5)$

c$)$ Do these circles touch?

d$)$ What is the length of the radius of each circle?

e$)$ What is the sum of their radii?

f$)$ What is the distance between their centers?

g$)$ Compare the distance between the centers to the sum of their radii?

For each value of T given below, substitute into the given function call and execute the function call.

plot$(4**T,2**T)$

for $T=0,0\mathrm{.}5,1,1\mathrm{.}5,2$