exam Maths Puzzle Numerical Ability

Find the domain of the composite function f º g.
f(x)=1/(x+10); g(x)= x+5

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exam Other Question

Find the equation that defines the relations below:

(-3,0) (-2,4) (-1,2) (0,0) (1,4) (2,20)
2/w+1-1/w-1