The area of the region bounded by the curves f(x)=x²+1 and g(x)=2x+1 is best described by: a. ² [(2x + 1) - (x² +1)]dx b. ²₂[(2x + 1) - (x² +1)]dx c. ²[(x²+1)-(2x + 1)]dx d. ²₂ [(x²+1) - (2x + 1)]dx

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