Jessica+&+Natalie

My estimated parabola is different from the calculated parabola because I estimated the vertex and the stretch incorrectly. Unfortunately the St. Louis Gateway Arch is not a true parabola, which makes it difficult to get the correct answer for a real parabola.
 * Natalie's Real Life Parabola:**
 * Description:**
 * Domain:** D= {XER|-1.1<x<1.1}
 * Range:** R= {YER|Y<2.2}
 * Vertex:** (0, 3.23)
 * Direction of Opening:** Down
 * Line of symmetry:** X=0
 * My Process:**

This is a famous tourist attraction in St. Louis called the Gateway Arch. It finished construction in 1965. It is 630 feet high and weighs 17,246 pounds.
 * About the Image:**