Answer:
d. does not exist
Step-by-step explanation:
The given limits are;
,
and 
We want to find

By the properties of limits, we have;

This gives us;

Division by zero is not possible. Therefore the limit does not exist.
Answer:
11:55
Step-by-step explanation:
The arc length, radius and the included angle are related as
where
is in radians.
The radius
is given by

Correct choice is (B).
The answer to c is 0 and the answer to d is undefined
Answer:
7x² + 5x
Dtep-by-step explanation:
(9x² + 8x) - (2x² + 3x)
9x² + 8x - 2x²- 3x
7x² + 5x