<span>Critical points are where the derivative is 0, i.e. where it crosses the x - axis
The Critical points lies where the derivative is 0, while it crosses the x-axis, SO, in this case the choice 3 looks like best answer for this.
</span>
I just did this a few seconds ago and the correct answer is 78. The check above the number is green which means its correct.
Answer:

Step-by-step explanation:
Given the expression:

Using the distributive property: 

Simplify:

Simplify:

Therefore, the simplified given expression is, 
The third jump does not round to 4.7 meters
Answer:
9√3
Step-by-step explanation:
11√3-√12 = 11√3-2√3 = 9√3