exam Maths Puzzle Numerical Ability

graph for y = 2x. graph for y = x + 1.

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exam Other Question

need help:
ADD:

3
+
2
____
x2

please write out left to right thats how its suppose to be written
A projectile is launched upward from the ground level with an initial speed of 98m/s. How high will it go? When will it return to the ground?