City workers plan to build a picnic shelter in a park. They must first clear a square-shaped
section of ground so the foundation can be poured.
The area of the foundation will be 200 ft?.
Which expression represents the side length of the
foundation, in feet?Answer is A

Each side is 14.14 feet long

Step-by-step explanation:

Just find the square root

=14.14

Each side is 14.14 feet long

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1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.