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Maths Puzzle
Numerical Ability
i need help on the question Identify the inverse of the function f(x)= 2x-4. Thankx
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5. Solve the following system by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.
2x + 3y = 1
5x + 3y = 16
It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now holds 20 liters of 20% solution. How many liters of this should be drained and