Mathematics: Please help thank you

71° FStep-by-step explanation:Consider the rational part of f(t) ( divide numerator and denominator by t³= As t → infinity then → 0 , the expression simplifies to = = 40Thus after driving for a long timef(t) = 31 + 40 = 71° F...

Please help thank you - id8534452, Dogtes9667

Ответ:

jo17miapierre

06.02.2022

Mathematics

Step-by-step explanation:

$x = \frac{ - 400 + - \sqrt{ {400}^{2} - 4 \times ( - 16) \times 6 } }{2 \times ( - 16)}$

$x = - 400 + - \sqrt{160000 + 384}$

second is devided by -32

$x = \frac{ - 400 + - 400}{ - 32}$

x1= 0

x2=25

So solution is 25 feet

Im not sure if that is correct

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Ответ:

crosales102

25.10.2021

Mathematics

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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Please help thank you

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