Included a pic of the solution and work.
Evaluate f(-5) for the following function. f(x) = x2 + x – 9
2 answers:
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Answer: The tank which has 3 m side.
Step-by-step explanation: A cube is a form that has equal sides. To calculate the volume of it, multiply all three sides:
V = length*width*height
Since they are all the same, volume will be:
V = s³
One tank has a 3 m side, so its volume is:
V = 3³
V = 27 m³
The other has half of the first one side, then s = and volume will be:
V =
V = m³
As you can see, the volume of the second tank is smaller than the first one. Therefore, the tank which has 3 m side can store more water than the tank with side measuring half of the first.