Okay so first do 2x3 which equals 6. then add 6 to 1 and you would get 7. so 7/2 is your answer!! 
denominator- bottom half of a fraction ex. in the fraction 5/7 the bottom number (7) is the denominator
numerator- top half of a fraction ex. in 5/7 the top (5) is the numerator 
whole number-a number without fractions ex. 7, 29, 18
        
                    
             
        
        
        
Answer:
See below.
Step-by-step explanation:
Values are excluded if they make the denominator zero, so one rational expression could be:
(x^2 - 9) /  (x + 4)(x + 7)
- when x = -4 or -7 then the denominator is zero so the values of the function is undefined for these values.
 
        
             
        
        
        
The first derivitive is the slope
a positive 1st deriviive is positive slope or increasing
a negaitve 1st derivitive is negative slope or decreasing
the 2nd derivitive tells about the concavity
a negative second derivitive means it is concave down at that point
a positive 2nd derivitive means it is concave up at that point
so
first one is false 
2nd is true
3rd is false because it could possibly be a minimum as well
answer is 2nd one
        
             
        
        
        
Step-by-step explanation:
 x² + 3 / x - 1 = x + 1
- x² - x
------------
 0 x + 3
- x - 1
-------------
 0 4
the remainder is 4