exam Maths Puzzle Numerical Ability

Find the inverse of the relation {(4,2),(-1,5),(2,3)} Please!

Read Solution (Total 0)

exam Other Question

Why do you factor a quadratic equasion before you solve? When a parallel circuit has only two branches, the equivalent resistance of the circuit is given by the following:PV = 120000(1 + 0.05)with an exponent of 5
My answer is PV = 120000(1.25) PV =150000 Is this correct?