Concept explainers
Medicine. The rate of healing, A′(t) (in square centimeters per day), for a certain type of skin wound is given approximately by the following table:
t | 0 | 1 | 2 | 3 | 4 | 5 |
A′(t) | 0.90 | 0.81 | 0.74 | 0.67 | 0.60 | 0.55 |
t | 6 | 7 | 8 | 9 | 10 | |
A′(t) | 0.49 | 0.45 | 0.40 | 0.36 | 0.33 |
(A) Use left and right sums over five equal subintervals to approximate the area under the graph of A'(t) from t = 0 to t = 5.
(B) Replace the question marks with values of L5 and R5 as appropriate:
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