What is a Unit Circle? Please explain the concept in detail and list few applications of the Unit Circle. (About 300 words plz)

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):