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The Riemann sum, lim I'M= f Xi AX; , is equivalent to lim E f(a+iAx)AX with AX = b-a Max Ax; ni=1 n Write the integral that produces the same value as lim I'M= : (1+ 17 . (4 points ) O 3 (x +1)dx O [(x)dx O 1 ( 3 x + 1 ) dx O 3 ( x ) dxUse your calculator to evaluate dx . Give your answer to the nearest integer.6 Use geometry to evaluate [f ( x) dx for f(x)= 3, x53 6-X, X>3