Question: A study indicated that the fraction f of cells destroyed by various dosages d of X-rays is given by the graph in Fig. 21.124. Assuming

A study indicated that the fraction f of cells destroyed by various dosages d of X-rays is given by the graph in Fig. 21.124. Assuming that the curve is a quarter-ellipse, find the equation relating f and d for 0 ≤ f ≤ 1 and 0

Fig. 21.124 0.5 0 f 5 Ld 10

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