Can somebody help me and explain how to do these?1?

Question

anonymous · Answer

1. What is the discontinuity of the function $$f(x)=\frac{ x^2-4x-12 }{ x+2 }$$
A. (-6, 0)
B. (6, 0)
C. (-2, -8)
D. (2, -4)

3. What is the discontinuity and zero of the function $$f(x)=\frac{ 3x^2+x-4 }{ x-1 }$$
A. Discontinuity at (-1, 1), zero at  $$(\frac{ 4 }{ 3 },0)$$
B. Discontinuity at (-1, 1), zero at $$(-\frac{ 4 }{ 3 },0)$$
C. Discontinuity at (1, 7), zero at $$(\frac{ 4 }{ 3 },0)$$
D. Discontinuity at (1, 7), zero at  $$(-\frac{ 4 }{ 3 },0)$$

* I know the zero is at $$(-\frac{ 4 }{ 3 },0)$$

anonymous · Answer

@phi Can you help me please?

turingtest · Answer

division by 0 is undefined
what value of x results in this expression being divided by 0?

anonymous · Answer

2