Food A contains 150 calories in 3/4 of a serving. Food B contains 250 calories in 2/3 of a serving. Find each unit rate. Which f
2 answers:
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Answer:
The value of x at this instant is 3.
Step-by-step explanation:
Let , we get an additional equation by implicit differentiation:
(1)
From the first equation we find that:
(2)
By applying (2) in (1), we get the resulting expression:
(3)
If we know that and
, then the first derivative of x in time is:
From (1) we determine the value of x at this instant:
The value of x at this instant is 3.