Let
f(x) =
(x2 − 4x)/(2 − 7x + 12)
.
Determine the following limits:
(a) limx→3 f(x) and
limx→4 f(x).
(b) Hence, or otherwise, explain whether f(x) is a continuous function. If any discontinuities exist, state what type of discontinuities they are and then remove them if
possible.

Answer rating: 100% (QA)

a To determine lim fx and lim For the function fx we insert 3 x3 and 4 x4 into the relevant formulas ... View the full answer