Question

If y is a real number and 4-y/3+y is undefined, what is the value of 3+y/4-y?

A. 6
B. 4
C. 3/4
D. 0
E. undefined

Answer 1

To make the first equation undefined, the denominator must equal 0.
So
3+y=0
-3. -3
----------
y=-3

Plug this into the second equation
3+(-3) /4-(-3)
=0/7
=0

Answer 2

Thank you(:

Answer 3

No problem