In the expression \( 4x^2 \) that represents the number of rose bushes Mr. Green can plant in his garden, the number 4 indicates the density of rose bushes that can be planted per square meter. Since the garden is a square with each side measuring \( x \) meters, the area of the garden is \( x^2 \) square meters. The multiplication by 4 suggests that for every square meter of area, Mr. Green can plant 4 rose bushes. Therefore, the number 4 represents the number of rose bushes that can be planted per square meter of garden area.
Mr. Green is planning to build a garden in his backyard and fill it with rose bushes. If the garden measures x meters on each side, the number of rose bushes he can plant is given by the expression 4x2.
What does the number 4 represent?
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