15) x=31/10
16)x=2
17)x=16/3
18)x=-2
19)2.5 hours
20) 32 hours
<span>The answer is true
Let's imagine that we have the following function function:
</span>

<span>We have to:
Independent variable: x
Dependent variable: y
For x = -1:
</span>

<span> For x = 1:
</span>

<span> We observe that the independent variable can only obtain one result.
Answer:
True</span>
Answer:
i believe the relative max coordinate is (2,4)
relative min is (-2,0) and (4,0)
and these are not absolute exterma maybe because there are more than one relative min?
The area model you can use is D , cs 70 +3 & 30+9