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Maths Puzzle
Numerical Ability
Domain and Range for [(4,6),(6,7),(4,3),(5,19),(5,7)]
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book Other Question
simplify the rational expression
9x - 21
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15x - 35
Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following:
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a) (g o f)(x)
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b) (f o g)(x) -- the o is colored in.
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c) (f+g)(2)
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d) (f-g)(3)