book
Maths Puzzle
Numerical Ability
For the function defined by f(x) = 2 2 x − , 0 ≤ x, use a sketch to help
find a formula for f –1(x).
Read Solution (Total 0)
book Other Question
Solve:
4x-y=-16
A man buys 2 horses. He sells one horse for a 20% profit. He sells the second horse for a -20% profit. What is the difference between his total profit and loss, and how much did he sell each horse for?