Vertical Free Fall and Constant Horizontal Motion.
I think that it's 3.8 because the triangles are congruent but I might be wrong.
Both angles have a measure of 125°.
<h3>
How to find the measure of the angles?</h3>
Assuming the two horizontal lines are parallel, we know that the measure of the two indicated angles must be the same one.
Then:
-1 + 14x = 12x + 17
Now we need to solve this for x:
14x - 12x = 17 + 1
2x = 18
x =18/2 = 9
Now that we know the value of x we can replace it in any of the expressions for the angles:
-1 + 14*9 = 125°
Both angles have a measure of 125°.
If you want to learn more about angles:
brainly.com/question/25716982
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Answer: 
<u>Step-by-step explanation:</u>
There are 3 conditions that must be satisfied:
- f(x) is continuous on the given interval
- f(x) is differentiable
- f(a) = f(b)
If ALL of those conditions are satisfied, then there exists a value "c" such that c lies between a and b and f'(c) = 0.
f(x) = x³ - x² - 6x + 2 [0, 3]
1. There are no restrictions on x so the function is continuous 
2. f'(x) = 3x² - 2x - 6 so the function is differentiable 
3. f(0) = 0³ - 0² - 6(0) + 2 = 2
f(3) = 3³ - 3² - 6(3) + 2 = 2
f(0) = f(3) 
f'(x) = 3x² - 2x - 6 = 0
This is not factorable so you need to use the quadratic formula:

Only one of these values (1.8) is between 0 and 3.