TABLE 3 below shows research results done by the United States Department of Agriculture(USDA) in 2014 and 2016 to determine the kinds and numbers of animals. Use the table above to answer the questions that follow. 5.1 Arrange the numbers of animals in 2016 in descending order. (2) 5.2 Determine the median of the numbers … Read more
5.1 Read the passage (TEXT F) below, which contains some deliberate errors, and answer the set questions. 5.1.1 Correct the SINGLE error in EACH of the following sentences. Write down ONLY the question numbers and the words you have corrected. (a) Ubuntu has since been used as a reminder for society on how we should … Read more
Given: f(x) = -x2 + 6x + 7 5.1 Determine the coordinates of the turning point of f. (3) 5.2 Determine the x-intercepts of f. (2) 5.3 Draw a neat sketch of f, clearly indicating all intercepts with the axes and the turningpoint. (4) 5.4 Write down the equation of the axis of symmetry of … Read more
The diagram below, not drawn to scale, shows a vehicle with a mass of 1 500 kgstarting from rest at point A at the bottom of a rough incline. Point B is 200 m verticallyabove the horizontal. The total work done by force F that moves the vehicle from point A to point B in … Read more
QUESTION 5 (Start on a new page.) The calcium carbonate (CaCO3) in antacid tablets reacts with dilute hydrochloric acid(HCℓ) according to the following balanced equation: 5.1 Is the above reaction EXOTHERMIC or ENDOTHERMIC? Give a reason for the answer. (2) An antacid tablet of mass 2 g is placed in HCℓ(aq). After 30 s the … Read more
An object of mass 1,8 kg slides down a rough curved track and passes point A, which is 1,5 m above the ground, at a speed of 0,95 m·s-1. The object reaches point B at the bottom of the track at a speed of 4 m·s-1. 5.1 Define the term conservative force. (2) 5.2 … Read more
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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]