A familiar question among professional tennis players is whether the speed of a tennis serve (in km/h) depends on the height of a player (in metres). The heights of 21 tennis players and the average speed of their serves were recorded during a tournament. The data is represented in the scatter plot below. The least … Read more
7.1 Selby decided today that he will save RI 5 000 per quarter over the next four years. He will make the first deposit into a savings account in three months’ time and he will make his last deposit at the end of four years from now. 7.1.1 How much will Selby have at the … Read more
5.1 Write down the domain of f. (1) 5.2 Write down the asymptotes of f. (2) 5.3 Sketch the graph of f, clearly showing all intercepts the axes any and asymptotes (3) 5.4 For which values of x will x. f‘ (x) > 0? (2) [8]
2.1 Given the quadratic sequence: 2 ; 3 ; 10 ; 23; … 2.1.1 Write down the next term of the sequence. (1) 2.1.2 Determine the nth term of the sequence. (4) 2.1.3 Calculate the 20th term of the sequence. (2) 2.2 Given the arithmetic sequence: 35 ; 28 ; 21; … Calculate which term … Read more