Question 7

7.1 A company bought machinery costing R80 000. Using the reduced balance method the machinery had a book value of R20 000 after 5 years. Calculate the rate of depreciation. (3) 7.2 Calculate the effective interest rate if interest is compounded at 5% p.a., compounded quarterly (3) 7.3 Sipho invested R30 000 for 6 years. … Read more

Question 6

The diagram below shows the graphs of 𝑓(π‘₯) = -π‘₯2 -π‘₯ + 6 and 𝑔 (π‘₯) = π‘šπ‘₯ + 𝑐. A (-2 ; 4) is the point of intersections of the graphs. 6.1 Determine the π‘₯-interceptions 𝑓. (4) 6.2 Write down the equation of the axis of symmetry of 𝑓. (2) 6.3 Determine the range … Read more

Question 5

Given and 5.1 Determine 𝑓(-3). (1) 5.2 Determine π‘₯ if 𝑔(π‘₯) = 4. (2) 5.3 Write down the asymptotes of 𝑓. (2) 5.4 Write down the range of 𝑔. (1) 5.5 Determine the coordinates of the π‘₯- and 𝑦- intercepts of 𝑓. (5) 5.6 Determine the equation of the axis of symmetry of 𝑓 which … Read more