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Moderate

Right Riemann Table

APCALC-F48XJE
x 1 5 7 10 12
f(x) 0 3 4 6 8

The above table gives values of a differentiable function $f(x)$ over the interval $[1,12]$.

Use the sub-intervals suggested by the table to form a Right Riemann sum which could be used to approximate:

$$\int _{ 1 }^{ 12 }{ f( x ) dx }$$

A

$30$

B

$54$

C

$58$

D

$63$