4 Q7
Which statement is incorrect for the graph of the
function y = -5 cos (x - 3))+6?
-5 cos( 7 6
The period is 4.
The amplitude is 3.
The range is [1, 11].
The midline is 6.

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