Answer: A
Step-by-step explanation: if not A then B if not B then C if not C then D if not D then your teacher doesn't like you.
1+1/x^2 when multiplied by x^2 we get: (x^2+1)/x^2.
Answer:
Option B is correct.
The domain of the function h(x) is: 
Step-by-step explanation:
Domain states that the complete set of all the possible values of the independent variable where function is defined.
Given the function:

To find the excluded value in the domain of the function.
equate the denominator to 0 and solve for x.
i.e

⇒x = 0 and 
⇒x = 0 and 
or
x = 0 and 
So, the domain of the function h(x) is the set of all real number except x = 0 and 
Therefore, the domain of the function h(x) is:

Algebraically:
13 + (38/60) + (35/3600) = 13. 6431 degrees
If you have a graphing calculator ( I am using a TI-84 plus Silver Edition):
13(press 2nd -> apps -> 1) 38 (press 2nd -> apps -> 2) 35 (press alpha -> +) = 13.6431
Answer: I got 1.625
Step-by-step explanation: 13 divided by 4 is 3.25 then divided by 2 is 1.625