the perimeter of a rectangle poil is 72 feet. the length of pool is 4 ft. more than three times the width. what is the length an
1 answer:
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Answer:
a.
Step-by-step explanation:
Since f(x) is the function for the populational density at a certain sidewalk for a 5 mile stretch, a definite integral of that function will yield the total number of people within the integration intervals. If we are interested in the number of people in the whole 5 mile stretch, we must integrate f(x) from x = 0 miles to x = 5 miles:
Therefore, the answer is alternative a.