Question 4 (6 marks):
Diagram shows the front view of a part of a roller coaster track in a miniature park.
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2019/08/Picture15.png)
The curve part of the track of the roller coaster is represented by an equation , with point A as the region.
Find the shortest vertical distance, in m, from the track to ground level.
Solution:
Diagram shows the front view of a part of a roller coaster track in a miniature park.
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2019/08/Picture15.png)
The curve part of the track of the roller coaster is represented by an equation , with point A as the region.
Find the shortest vertical distance, in m, from the track to ground level.
Solution: