A food packet is dropped from a helicopter and is modeled by the function f(x) = -16x2 + 14400. 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.
0 ≤ x ≤ 30
0 ≤ x ≤ 14400
-30 ≤ x ≤ 30
all real numbers
Use the graph to determine the reasonable domain of f(x) based on the context.
0 ≤ x ≤ 30
0 ≤ x ≤ 14400
-30 ≤ x ≤ 30
all real numbers
2 answers:
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The Solution.
The given equation is
Substituting 11 for x, we can get the value of y.
Hence, the value of y is 18.