exam
Maths Puzzle
Numerical Ability
I have a problem
If f(x)=x(x+1)(x-4) use interval notation to give all values of x where f(x)>0
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exam Other Question
The length of a rectangle is 1 cm longer than the width. If the diagonal of the rectangle is 4cm, what are the dimensions (the length and the width) of the rectangle.
Please show work.
A piece of sheet metal is 2.5 times as lons as it is wide. It is to be made into a box with an open top by cutting 3-inch squares from each corner and folding up the sides. Let x r