For what value of x is \(\frac{4 - 2x}{x + 1}\) undefined.
A
2
B
-1
C
1
D
-2
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
A rational expression is undefined when the denominator is equal to zero.
when x = -1
The denominator in this equation : x + 1
--> -1 + 1 = 0
This expression is undefined when x = -1
Source: WAEC / JAMB / NECO Classroom Archive (Record #61466)