exam Maths Puzzle Numerical Ability

3 over a^-9 + 3 over a+3

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4 over a^2-9 + 1 over a+3

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exam Other Question

1. Simplify the expression:

15x^2-x-2 / 3x^2-5x-2

2. Simplify the expression:

14x^2y^6z^9 / 7x^5y^4z^11

3. Simplify the expression:

3y^2+5yz+2z^2 / 2y^2+3yz+z^2

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Hi Can I have some help finding the domain of the function?

f(x)=1/3x-6