APFIVE Trapezoidal Sum From a Table
The table below gives selected values for a function $$f$$. Use a trapezoidal sum with the four subintervals indicated by the table to approximate $$\int_{1}^{5} f(x) \, dx$$.
| x | f(x) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
A
$$23.5$$
B
$$22$$
C
$$21.5$$
D
$$20$$
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