Mathematics B (MEI) H630: GRAPHS Topical Past Paper Questions

The equation of a curve is $ y=\frac{k}{x^{2}} $, where k is a constant. The curve passes through the point (2, 1). (a) Find the value of k. (b) Sketch the curve. [1]

(a) Sketch both of the following on the axes provided in the Printed Answer Booklet. (i) The curve $ y=\frac{12}{x} $, stating the coordinates of at least one point on the curve. [2] (ii) The line y=2x+8, stating the coordinates of the points at which the line crosses the axes. […

In an experiment 500 fruit flies were released into a controlled environment. After 10 days there were 650 fruit flies present. Munirah believes that $N$, the number of fruit flies present at time $t$ days after the fruit flies are released, will increase at the rate of 4.4% per…