Consider the function f(x) = x + x on the interval [0,4]. We will approximate the...

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Consider the function f(x) = x + x on the interval [0,4]. We will approximate the area of the region bounded by the graph of f and the x-axis. See the figure below. 20 y 16 y= f(x) 12 8 I 0.5 1 1.5 2 2.5 3 3.5 4 The image depicts a Left Riemann sum with n = 8 subintervals. x f(x)= Ax = f(x)Ax= f(x)Ax = 1/2 J ? ? Consider the function f(x) = x + x on the interval [0,4]. We will approximate the area of the region bounded by the graph of f and the x-axis. See the figure below. 20 y 16 y= f(x) 12 8 I 0.5 1 1.5 2 2.5 3 3.5 4 The image depicts a Left Riemann sum with n = 8 subintervals. x f(x)= Ax = f(x)Ax= f(x)Ax = 1/2 J ? ?