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anonymous
 one year ago
A food packet is dropped from a helicopter and is modeled by the function f(x) = −12x2 + 19200. The graph below shows the height f(x), in feet, of the food packet at different times x, in seconds:
Use the graph to determine the reasonable domain of f(x) based on the context.
All real numbers
x ≤ 19200
−40 ≤ x ≤ 40
0 ≤ x ≤ 40
anonymous
 one year ago
A food packet is dropped from a helicopter and is modeled by the function f(x) = −12x2 + 19200. The graph below shows the height f(x), in feet, of the food packet at different times x, in seconds: Use the graph to determine the reasonable domain of f(x) based on the context. All real numbers x ≤ 19200 −40 ≤ x ≤ 40 0 ≤ x ≤ 40

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Hey can you help me out?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0im not sure, i was thinking maybe A, but im bad at math

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1when something falls, does it stop at the ground or go under the ground?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It stops at the ground

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1Yes, so, although the graph passes the x axis, in fact, when it hits the ground, the function stop working, right?

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1hence, from the right, it stops here. dw:1437400344228:dw

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1From the left, when does it start?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Idk i cant really see the graph

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1nope, the graph starts at 40, but the food package start falling at 0

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1Hence from the left it is \(0\leq x\)

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1Combine, what do you get?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thankyou so much, that one was really hard
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