What are the vertical asymptotes of the function f(x) = the quantity of 5x plus 5, all over x squared plus x minus 2? x = −1 and x = −2
x = −1 and x = 2
x = 1 and x = −2
x = 1 and x = 2

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