Question 3 A journey between two towns, Pietermaritzburg and Durban, is exactly 90 km. 3.1 Use a graph (with at least's different speeds in km/h) to model how variation in speed (1) over the journey causes variation in time taken () to complete the trip. Hint: time should be given in minutes 3.2 Describe what happens to y (the time) when x (the speed) increases Is it possible that a vehicle could travel so fast that the trip could be done in no time at all? Give a reason for your answer. 3.4. How does the trend of the graph relate to the question in 3.3? 3.3 Question 4 LY • (-34 4-4- 3-- • A(22) x X​

The table shows population statistics for the ages of best actor and best supporting actor winners at an awards ceremony. the distributions of the ages are approximately bell-shaped. compare the z-scores for the actors in the following situation. best actor best supporting actor muequals42.0 muequals49.0 sigmaequals7.3 sigmaequals15 in a particular year, the best actor was 59 years old and the best supporting actor was 45 years old. determine the z-scores for each. best actor: z equals best supporting actor: z equals (round to two decimal places as needed.) interpret the z-scores. the best actor was (more than 2 standard deviations above more than 1 standard deviation above less than 1 standard deviation above less than 2 standard deviations below) the mean, which (is not, is) unusual. the best supporting actor was (less than 1 standard deviation below more than 1 standard deviation above more than 2 standard deviations below more than 1 standard deviation below) the mean, which (is is not) unusual.