Adevice used in golf to estimate the distance d, in yards, to a hole measures the size s, in inches, that the 8-ft pin appears to be in a viewfinder. the viewfinder is held 6 inches from the viewer's eye. express the distance d as a function of s.

Explanation:

The image height ratio in the viewfinder to its lateral length (6 in) is equal to the pin height ratio (8/6 yards) to the pin distance (8/6 yards) in yards. so we can write:

s*d = 4

therefore, distance as function of s is express as

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