The Shape of the Famous Gateway to the West Arch

question 119

Multiple Choice

The shape of the famous Gateway to the West arch in Saint Louis can be modeled by a parabola. The equation for this parabola is: where x and y are in feet. Approximately how far do you have to walk to get from one side of the arch to the other?

• A) 610 feet
• B) 600 feet
• C) 620 feet
• D) 630 feet
• E) 640 feet

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