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)}
{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
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
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