4 A train tunnel is modeled by the quadratic function h z 0 45x 28 8 where z is the distance in feet from the center of the

Question

4 A train tunnel is modeled by the quadratic function h z 0 45x 28 8 where z is the distance in feet from the center of the tracks and h z is the height of the tunnel also in feet Assume that the high point of the tunnel is directly in line with the center of the train tracks a Draw a GOOD graph of this situation Find and label each of the following vertex horizontal intercept s and vertical intercept Round answers to the nearest tenth as needed b How high is the top of the tunnel Write your answer in a complete sentence c How wide is the base of the tunnel Write your answer in a complete sentence d A train with a flatbed car 6 feet off the ground is carrying a large object that is 12 feet high How much room will there be between the top of the object and the top of the tunnel Write your answer in a complete sentence

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