exam
Maths Puzzle
Numerical Ability
F(X)=-4.2X4+6
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exam Other Question
Karen and John take 3 hours to clean the house. Karen alone can clean the house 1 hour faster than John can clean the house alone. What is the total time it takes Karen to clean the house alone.
Every machine that inputs numbers and outputs numbers is a function
True
False
The machine that multiplies an integer by 7 and then subtracts 1/2 from the result is a funct