Given the function T(z) = z – 6, find T(–4).
A.10
B.–10
C.2
D.–2
What is the range of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}?
A.{2, 4, 6, 8}
B.{1, 2, 3, 4}
C.{6, 8}
D.{1, 2, 3, 4, 6, 8}
What is the domain of the function: {(1, 3); (3, 5); (5, 7); (7, 9)}?
A.{3, 5, 7, 9}
B.{1, 3, 5, 7}
C.{1, 9}
D.{1, 3, 5, 7, 9}
Suppose p varies directly as d, and p = 2 when d = 7. What is the value of d when p = 10?
A. d =20/7
B.d = 15
C. d =7/5
D.d = 35
The number of calories burned, C, varies directly with the time spent exercising, t. When Lila bikes for 3 hours, she burns 900 calories. Which of the following equations shows this direct linear variation? A.C = 300t B.C = t C.C = 3t D.C = 900t