which relation is a function? a. x −2 0 0 2 4 y 4 3 4 4 6 b. x 3 5 7 10 14 y 9 6 9 2 3 c. x −3 2 2 4 6 y 2 1 8 5 3 d. x −6 −1 1
2 answers:
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Answer:
After 2009 the quality of the forests in this country improving.
Step-by-step explanation:
Consider the provided function.
Substitute f'(t)=0.
It is given that (0 ≤ t ≤ 10)
The test interval are (0,5) and (5,10)
For (0 < t < 5) the value of
For (5 < t < 10) the value of
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.