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96. A rectangular courtyard is to be fenced so that one of the sides is 4 feet longer than an adjacent side (s). Which of the following quadratic functions can be used to represent the area of the courtyard?

A=s^2
A=4s^2
A=s^2+4
A= s^2+4s

Respuesta :

mathstudent55

The short side measures s.

The adjacent, longer side measures s + 4.

The area of a rectangle is the product of the lengths of two adjacent sides.

area = s(s + 4)

Distribute the s.

area = s * s + s * 4

area = s^2 + 4s

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