f(x)=

(x^2-144)/ (x-12) x≠a

k x=a

f(x)=

(x^2-144)/ (x-12) x≠a

k x=a

Tutors, please sign in to answer this question.

Sandy Spring, MD

Factor each: (x^{2} - 144)/(x - 12) = (x - 12)(x + 12)/(x - 12) = x + 12.

What this means is that there in a hole in the graph at x = -12. Therefore, the graph is continuous everywhere except at x = 12. The graph will appear to be the line y = x + 12, but won't exist at x = 12.

- Math 9863
- Calculus 1 498
- Integration 113
- Precalculus 1586
- Derivatives 207
- Differentiation 130
- Calculus 2 339
- Multivariable Calculus 25
- Calculus 3 182
- Vector Calculus 34