The graph shown here models the path of a diver as they run and jump from atop of a 400 ft cliff. The diver hits the water after 5 seconds. Which of the following is the realistic domain for this function that represent the time the diver was in the air?
1. (0, 400)
2. (5,400)
3. (0, -00)
4. [0,5]

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

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.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?