$\text { Let } f ( x ) = \frac { x ^ { 3 } + 1 } { x ^ { 2 } - 2 x - 3 }$ Which of the following is true?

A)ƒ is defined at -1.
B)ƒ is defined at 3.
C)ƒ has a removable discontinuity at -1.
D)ƒ has a removable discontinuity at 3.
E)ƒ is continuous at -1.

Question

$\text { Let } f ( x ) = \frac { x ^ { 3 } + 1 } { x ^ { 2 } - 2 x - 3 }$ Which of the following is true?

A)ƒ is defined at -1.
B)ƒ is defined at 3.
C)ƒ has a removable discontinuity at -1.
D)ƒ has a removable discontinuity at 3.
E)ƒ is continuous at -1.

Quizplus · Accepted Answer

The Answer of $\text { Let } f ( x ) = \frac { x ^ { 3 } + 1 } { x ^ { 2 } - 2 x - 3 }$ Which of the following is true?

A)ƒ is defined at -1.
B)ƒ is defined at 3.
C)ƒ has a removable discontinuity at -1.
D)ƒ has a removable discontinuity at 3.
E)ƒ is continuous at -1.

Let f(x)=x3+1x2−2x−3\text { Let } f ( x ) = \frac { x ^ { 3 } + 1 } { x ^ { 2 } - 2 x - 3 } Let f(x)=x2−2x−3x3+1​