what is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}?
a.{1, 2, 3, 4, 6, 8}
b.{1, 2, 3, 4}
c.{6, 8}
d.{2, 4, 6, 8}
which of the following represents a function?
a.
b.
c.
d.
what is the range of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}?
a.{1, 2, 3, 4, 6, 8}
b.{1, 2, 3, 4}
c.{6, 8}
d.{2, 4, 6, 8
suppose p varies directly with d, and p = 3 when d = 5. what is the value of d when p = 12? a.5/4 b.20 c.14 d.36/5
given the function t(z) = z – 8, find t(–2).
a.–10
b.–6
c.10
d.6
the number of calories burned, c, varies directly with the time spent exercising, t. when dennis walks for 4 hours, he burns 800 calories. which of the following equations shows this direct linear variation? a. c = t b. c = 800t c. c = 4t d. c = 200t