B) Identify the sampling technique used for the following samples. (1 mark each) i) Questioning students as they leave the university library, a researcher asks 200 students
about their study habits.
ii) If a researcher selected five schools at random and then interviewed each of the teachers
in those five schools.

What is the inverse of the function f(x) = 2x + 1?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.