exam Maths Puzzle Numerical Ability

Solve. x/3 - 4 = 1

I have no idea how this even works can some one help. the x/3 is a fraction.

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exam Other Question

) State the domain of the following:

a) f (x) = square root of x+4

Answer:

b) g (x) = 2x+1/x-3
Answer:

c) h (x) = 3x^ +5x-3

Answer:

d) l (x) = 2x+3

An
CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM:

CONSIDER g(x) = (x + 2)^3; what is the new equation for g(x) if it is shifted up 6 units and shifted right 9 units?