exam Maths Puzzle Numerical Ability

Find the inverse of this function, and state the domain and range of both the original function and the inverse: F(x) = sqrt(2x-3)

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exam Other Question

x-y=2
x+2y=8
Solve by graphing

x + 2y< 2 and x + y > 0 (there is a line under the greater than and less than sign)
graph the compound inequality

2x + What number exceeds 23 by 4 more than twice the amount by which 15 exceeds -3?