exam
Maths Puzzle
Numerical Ability
Social Science: If there are 6 X 10^9 people on the Earth and there is enough freshwater to provide each person with 8.79 X 10^5 L, how much freshwater is on the Earth?
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exam Other Question
Please solve. |x - 1.5| <= 3
I tried and got X <= 4.5 or X >= -1.5
Can someone help me figure out this graph. Thank you.
Graph:f(x)=-3x^2-3