First find the time that the ball is level with the top of the building on its descent. You can do this by solving 280 = -16^2 + 48t + 280 for t. This gives t = 3 seconds .
Then when the ball reaches the ground the time t is obtained by solving 0 = -16t^2 + 48t + 280 This gives t = 5.94 seconds.
Answer in interval notation is (3, 5.94].
Correct answer is the last one.
Function because for every x only one value of y,
not one-to-one because, 2 values of x have the same value of y.
The answer is 4
This is because |-5+9|=|-4| which equals 4
Answer:
The answer is 49
Step-by-step explanation:
The perimeter is the sum of all four sides so 28 divided by 4 would be 7 and 7 x 7 = 49
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