exam
Maths Puzzle
Numerical Ability
Scott is 22 years older than Sun Jung, In 7 years, Scott will be twice as old as Sun Jung. Give the current age of Scott and Sun Jung.
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exam Other Question
Find the domain of each function:
G(x) = x+3 square root divided by 1-x
Factor the following expressions completely:
a. x^3-4x=0
b. 2x^2+7x-15=0