Multiple Choice
What is the domain of the function below? {(0, 2), (3, 1), (5, 2), (8, 4)}?
(1 point)
{1, 2, 4}
{0, 3, 5, 8}
{0, 1, 2, 3, 4, 5, 8}
{(0, 2), (3, 1), (5, 2), (8, 4)}
7 answers
{0, 3, 5, 8}
Is the following relation a function? {(0.3, 0.6), (0.4, 0.8), (0.3, 0.7), (0.5, 0.5)}
(1 point)
yes
no
cannot be determined
(1 point)
yes
no
cannot be determined
no
Sound travels about 343 meters per second. The function d(t) = 343t gives the distance d(t) in meters that sound travels in t seconds. How far does sound travel in 8 seconds?
(1 point)
343 meters 686 meters 2,744 meters 3,430 meters
(1 point)
343 meters 686 meters 2,744 meters 3,430 meters
3,430 meters
What is the value of the range of the function f(x) = x2 + 2 for the domain value 1/4?
(1 point)
Y=2
Y=2 1/4
Y=2 1/8
Y=2 1/16
(1 point)
Y=2
Y=2 1/4
Y=2 1/8
Y=2 1/16
Y = 2 1/16