Which statement is true about the given function? f(x) < 0 over the intervals (–, –2.7) and (0.8, ). f(x) < 0 over the intervals (–, –2.7) and (–1, 0.8). f(x) > 0 over the intervals (–, –2.7) and (–1, 0.8). f(x) > 0 over the intervals (–, –1) and (0.8, ).