What is the equation of the graph? 8
5
4
3
2
0
-3
3
- 1
-2
0
- 1
y=
(Do not use any spaces. use to represent
exponents. Example 2^3.)

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units