Which graph shows a set of ordered pairs that represent a function?
+ +
-
54-3-2-1.1 1 2 3 4 5 x
54-3-2-1, 1 1 2
-5-4-3-2-1, 1
1
2
3
4
5
x
-5-4-32-1, 1
1
2
3
4
5

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.