Mathematics: Help woth this please

Help woth this please - id10393439, harlon852

bricksaspares

17.03.2022

Hey again!

The answer to your question is 3.8

We can do 1.9 x 2 = 3.8

Hope it helps! Let me know if you need more help.

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ashhull2002

22.03.2021

After 2009 the quality of the forests in this country improving.

Step-by-step explanation:

Consider the provided function.

$f(t) = \frac{1}{3}t^3-\frac{5}{2}t^2 + 80$

f'(t) = t^2-5t

Substitute f'(t)=0.

t^2-5t=0

t(t-5)=0

$t=0\ or\ t=5$

It is given that (0 ≤ t ≤ 10)

The test interval are (0,5) and (5,10)

For (0 < t < 5) the value of f'(t)

For (5 < t < 10) the value of f'(t) 0

Hence, the function is increasing from (5,10).

t = 0 corresponds to 2004.

Therefore, after 2009 the quality of the forests in this country improving.

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