How to prepare for board in a week?

Which function is positive for the entire interval (-3, -2]?

In free the children why does the author provide a first-hand account of visiting a brick kiln? to emphasize how factory conditions have improvedto show a group of people wno iqbal escapeto emphasize the homic conditions of debt slaveryto show the place where iqbal was forced to work

King shifts the idea of being "extremist" from something negative to something positive. how does the concluding sentence directly address his audience. ( lines 384 - 410, letter to birmingham)