Answer:
Option a.

Step-by-step explanation:
You have the following limit:

The method of direct substitution consists of substituting the value of
in the function and simplifying the expression obtained.
We then use this method to solve the limit by doing 
Therefore:


By definition, any number raised to exponent 0 is equal to 1
So


Finally

Answer: B
Step-by-step explanation:because my teacher said she having trouble
-10/-16 could be an answer or multiply the same number up and down but the number must be negative
Answer:
10.0683760684
Step-by-step explanation: