described by the equation

$\backslash [$

u$($t$)=\backslash$frac$\{$r$\}\{$V$\}$ C$\_\{0\}$ e$^\{-$r t $/$ V$\}$

$\backslash ]$

Interpret the integral.

The integral is the amount of urea removed from the patient's blood in one dialysis treatment.

The integral is the amount blood treated by the dialyzer in the first $35$ minutes of dialysis treatment.

The integral is the amount of urea removed from the patient's blood in the first $35$ minutes of dialysis treatment.

The integral is the number of treatments a patient undergoes.

The integral is the number of times a patient's blood cycles through the dialyzer in the first $35$ minutes of dialysis treatment.