Answer:
All values along the x-axis in the shaded regions.
Step-by-step explanation:
The solution set of the compound inequality is any number less than 2 and greater than 7. This means its all the numbers on the number line from 1.99999 to 0 to -9 to -1000 and so forth. And it's also any number greater than 7 including 7.01 to 1000 to 1,000,000. See the graph below to visually see the solution. The solution are all the numbers along the x-axis in the shaded regions.
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First find the derivative of f(x):-
f'(x) = 3x^2 - 12x + 8
So instantaneous rate at x = 3
= 3(3)^2 - 12(3) + 8
= 27 - 36 + 8 = -1 answer
It would take 14 minutes for the balloons elevation to change by 315 feet.