The mythical Hydra was a beast that was very difficult to kill -- if you cut off its head, it grew 12 new ones to replace it. If you cut off one of those heads, 12 more would grow... if you cut off one of those, 12 more would grow ....

The ...

1. Given the distance between a gunner and a spotter, and the angles each measures between the line between them and the respective lines to their target, compute the dstance between the gun and the target.

1. Suppose a tire of radius 0.5 meters is spinning at the rate of 2 radians per second. Imagine a line drawn through the center of the tire (using chalk) that is initially parallel with the ground. Sketch a graph showing the height of the end of that line as ...

1. What are the domain and range of the function $f(x) = \frac{\sqrt{x+3}}{x+2}$?
2. Give a function that has the same domain, but a different range from the function $g(x) = -\sqrt{x - 4}$
3. The function $t(r) = \frac{h\pi r^2}{R}$ models the time ...