exam
Maths Puzzle
Numerical Ability
Determine whether each relation is a function.
x^2=1+y^2
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exam Other Question
Write as a single logorithm:
(1/2)ln(x^2+1)-4ln(1/2)-(1/2)[ln(x-4)+ln x]
the f(x)+g(x)
f(x)=3x+5 and g(x)={{{x^2}}}