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# Calculate a Left Riemann Sum Using a Table

APCALC-BZKEEY
$$x \hspace{1cm}$$ 0 2 5 7 8
$f(x)$ 10 8 2 4 7

Consider the table of values for a differentiable function, $f$ over the interval $[0,8]$ given above.

Calculate the Left Riemann Sum for the function over the interval $[0,8]$ using the four subintervals indicated in the table.

A

$42$

B

$48$

C

$52$

D

$62$