Determine whether the relation is a function. Explain your reasoning using mathematical language. f(x) = x2
X. f(x)
-2 4.
-1. 1
0. 0
1. 1
2. 4

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4? o a. 8a oc. 16 t d. 8

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.