Essential_Chapter+Two

Big Ideas:
 * DERIVATIVES
 * Tangent lines
 * Power Rule
 * Product Rule
 * Quotient Rule
 * Chain Rule
 * Implicit Differentiation
 * Related Rates

Essential Questions:
 * How fast is an object moving when it hits the ground?
 * What types of functions are DIFFERENTIABLE?
 * If one dimension is changing (the volume of a balloon), how does that affect the other dimension (how is the radius changing)?
 * How fast is an airplane travelling?