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wood furviture as functions of x, the amount (in thousand doltars) invested in capital. The ares of the shaded region is 13.98 . (a) Write a sentence of interpretation for the area of the regian shaded in the figure. As copital investment increased from $1.5 thousand to $5.5 thousand, profit increased by $ thousand. (b) Write an equation for the area of the shoded region. h.s