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Mathematics
Mathematics
Problem
Let
c
′
(
t
)
=
4
t
2
−
6
t
+
2
c'(t)=4t^{2}-6t+2
c
′
(
t
)
=
4
t
2
−
6
t
+
2
grams per minute represent the instantaneous rate at which salt dissolves in a solution for
0
≤
t
≤
3
0\le t\le 3
0
≤
t
≤
3
minutes. Calculate the total mass of salt, in grams, that dissolves during this time interval. a)
24
24
24
b)
20
20
20
c)
15
15
15
d)
21
21
21
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