Twenty percent of the town's population is over the age of 65. If there are 320 residents over the age of 65, what is the town's
2 answers:
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Answer:
Step-by-step explanation:
The error in rounding a number is half of the unit of measure.
The number was rounded to the nearest 0.1 unit so the error is 1/2×0.1, which equals 0.05.
Now we add 3.7 and 0.05, which equals 3.75 and we also take 3.7 - 0.05, which equals 3.65
So, the error interval is:
The answer is B, the green is f(x)=x^2 and the red one is g(x)=f(2x).
