Which statement is true about the given function?

f(x) < 0 over the intervals (–infinity, –2.7) and (0.8, infinity).
f(x) < 0 over the intervals (–infinity, –2.7) and
(–1, 0.8).
f(x) > 0 over the intervals (–infinity, –2.7) and
(–1, 0.8).
f(x) > 0 over the intervals (–infinity, –1) and
(0.8, infinity).