exam Maths Puzzle Numerical Ability

f(x)= 3x-2
D=(-3,-1,0,2,3)
R=( )

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hi could you help me solve this rational equation?

(2x-4)/(x-5)=0

Thanks a lot
Determine the nature of the solutions of the equation.

y^2 = 3/2y + 2/7

Is there 1 real solution, 2 non-real solutions or 2 real solutions?

The fractions are throwing me o