# Precalculus

A radioactive material is known to decay at a yearly rate of 0.2 times the amount […]

## A radioactive material is known to decay at a yearly ...

Suppose a bacteria population grows at a rate proportional to the population. There were 200 bacteria […]

## Suppose a bacteria population grows at a rate proportional to ...

Write the Equation of the ellipse assuming it is centered at the origin. A vertical major […]

## How to Find the Equation of an Ellipse - Write ...

The path of a ship can be described by a hyperbolic model centered at the origin, […]