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AnnZ [28]
3 years ago
13

Anyone know how to do 5c???? Please help!!!!!

Mathematics
1 answer:
nignag [31]3 years ago
8 0

Answer:

71° F

Step-by-step explanation:

Consider the rational part of f(t)

\frac{40t^3}{t^3+100}  ( divide numerator and denominator by t³

= \frac{40}{1+\frac{100}{t^3} }

As t → infinity then \frac{100}{t^3} → 0 , the expression simplifies to

\frac{40}{1+0} = \frac{40}{1} = 40

Thus after driving for a long time

f(t) = 31 + 40 = 71° F

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