exam Maths Puzzle Numerical Ability

I could really use help on this question.

x^2+x-2=0

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exam Other Question

Graph each square root function and state its domain and range.

y=2square root of x+1 1.)expand the expression:log3(the 3 is little not just a regular 3 it is on the lower part og the g)(x^-2y^3).....all together:log3(x^-2y^3)

2.)Express as a single logarithm:log