It does show a function because it passes the vertical line test (no two points have the same x value).
Answer:
Step-by-step explanation:
its true
Answer:
2.2
Step-by-step explanation:
I did it on khan
Answer: tangent
Step-by-step explanation:
In relation to the 74-degree angle, you have the adjacent side and the opposite side.



Stationary points occur where the derivative is zero. The denominator is positive for all

, so we only need to worry about the numerator.


for all

, so we can divide through:

But

for all

, so this function has no stationary points...
I suspect there may be a typo in the question.