exam
Maths Puzzle
Numerical Ability
2x^4 when x = 3
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exam Other Question
please help me find the domain of this function:
G(x) = -1 (if x <= -1)
3x+2 (if |x| < 1)
7-2x (if >= 1)
At 5 pm Roger zoomed off from Asteroid. One hour later, Maryanne zoomed off from Asteroid in the opposite direction at a speed 400 kph less than that of Roger. If they were 7900 km apart at 11 p.m how fast did each travel?