Answer:

<h3>Step-by-step explanation:</h3>
1) Cancle 4 on both sides.

2) Divide both sides by 6.

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>option</u><u> </u><u>C</u><u>.</u><u> </u>
<span> 2-4r = - 18
</span><span> 2-2-4r = - 18 -2
-4r = -20
r = 5</span>
Answer:
6 hours, 30 minutes
Step-by-step explanation:
Step-by-step explanation:
The graphed function has its local maximum at x = - 1 and local minimum at x = 2.
The function is decreasing between those points and increasing outside.
The increasing intervals are
- x ∈ (- ∞, - 1) ∪ (2, + ∞)