Question

What are the discontinuities of the function f(x) = the quantity of x squared plus 5 x plus 6, all over 2 x plus 16.?

A. x ≠ −3
B. x ≠ −2
C. x ≠ −8
D. x ≠ −5

Answer 1

This rational function has a discontinuity at x=-8, where the denominator goes to zero.

The best choice is ...

... C. x ≠ -8