Consider the function f defined on [0, 1] such that f(0) = 1, f(1) = 2,ƒ(1/5) = f(2/5) %3D 3, and f) = c and f(4/5) = 1. Suppose that the approximation of I = S, f(x)dx by composite Trapezoidal rule...

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Extracted text: Consider the function f defined on [0, 1] such that f(0) = 1, f(1) = 2,ƒ(1/5) = f(2/5) %3D 3, and f) = c and f(4/5) = 1. Suppose that the approximation of I = S, f(x)dx by composite Trapezoidal rule with 5 subintervals is 1.8, then the value of c is: 0.5 O 2 O -0.5 O 4