1.

The function f ( x) is evaluated at four values of x at regular interval as follows.X0123f(x)10.50.20.1Evaluate \(\displaystyle\int_0^3 f(x) dx\) using Trapezoidal rule.

A. 0.9
B. 1.8
C. 1.25
D. 2.5
Answer» D. 2.5


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