Answer:
2/-7
Step-by-step explanation:
Formula for slope given two points is attached.
1) Plug the points into the slope formula:
(-6+8)/(7-14)
2) Simplify:
2/-7
Answer:
The value at x =3 is undefined for the given expression
Step-by-step explanation:
Given expression is 
To find for what value of x is undefined in the given expression :



If we put x=3 in the above expression we get



Therefore 
The value at x =3 is undefined for the given expression