exam Maths Puzzle Numerical Ability

3(root)z-2=4

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exam Other Question

Solve the following inequality for x. Express your answer in interval notation. Show your algebraic steps.

2x - (7 + X) is greater than or equal to x

Sorry I goofed on the
find the domain of each function
a)
h(x)= x+3/x-5
b)
P(x)= sq rt x^2+7