Growth of a child. The median weight of a boy whose age is between 0 and 36 months is approximated by w ( t ) = 8.15 + 1.82 t − 0.0596 t 2 + 0.000758 t 3 , where t is in months and w is in pounds. (Source: Centers for Disease Control. Developed by the National Center for Health Statistics in collaboration with the National Center for Chronic Disease Prevention and Health Promotion, 2000, reverified 2017.) Use this model to approximate the following: The rate of change of weight with respect to time The weight of a boy at age 10 months The rate of change of a boy’s weight with respect to time at age 10 months
Growth of a child. The median weight of a boy whose age is between 0 and 36 months is approximated by w ( t ) = 8.15 + 1.82 t − 0.0596 t 2 + 0.000758 t 3 , where t is in months and w is in pounds. (Source: Centers for Disease Control. Developed by the National Center for Health Statistics in collaboration with the National Center for Chronic Disease Prevention and Health Promotion, 2000, reverified 2017.) Use this model to approximate the following: The rate of change of weight with respect to time The weight of a boy at age 10 months The rate of change of a boy’s weight with respect to time at age 10 months
Solution Summary: The author calculates the rate of change of weight by the differentiation of given function with respect to time.
Growth of a child. The median weight of a boy whose age is between 0 and 36 months is approximated by
w
(
t
)
=
8.15
+
1.82
t
−
0.0596
t
2
+
0.000758
t
3
,
where
t
is in months and
w
is in pounds.
(Source: Centers for Disease Control. Developed by the National Center for Health Statistics in collaboration with the National Center for Chronic Disease Prevention and Health Promotion, 2000, reverified 2017.)
Use this model to approximate the following:
The rate of change of weight with respect to time
The weight of a boy at age 10 months
The rate of change of a boy’s weight with respect to time at age 10 months
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