2. The heights, h, of two balls, in metres, after t seconds are shown in the...

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2. The heights, h, of two balls, in metres, after t seconds are shown in the graph. b 20 16 12 8 a) Determine the approximate time interval for when the two balls were less than 2 m apart. 4 0 3 b) When was the difference between the heights of the balls the greatest? 3. Given the graph of f(x) and g(x) as shown. Sketch (f - g)(x) on the same grid. Plot at least 4 points. f(x) 5 A 3 2k 1 -5 -4 -3 12 -1 3 5 -1 -2 -4 -3 30 40 -5 g(x) 2. The heights, h, of two balls, in metres, after t seconds are shown in the graph. b 20 16 12 8 a) Determine the approximate time interval for when the two balls were less than 2 m apart. 4 0 3 b) When was the difference between the heights of the balls the greatest? 3. Given the graph of f(x) and g(x) as shown. Sketch (f - g)(x) on the same grid. Plot at least 4 points. f(x) 5 A 3 2k 1 -5 -4 -3 12 -1 3 5 -1 -2 -4 -3 30 40 -5 g(x)