exam Maths Puzzle Numerical Ability

1) What is the domain of f(x)= the square root of 3x+2
I wrote the words "square root" becaus I there is no symbol for it on the computer.

2) What is the domain of f(x)=

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exam Other Question

how would i do this? Simplify the following fractions by putting them in lowest terms or by performing the indicated operations.

a-ab over a2 divided by a-1 over a cubed
I am so confused on these problems could someone help me understand what i am suppose to be doing? I am to solve the following inequalities for x

{{{X+4>7}}}

{{{3x<1112}}}