book
Maths Puzzle
Numerical Ability
The sum of two numbers is 15. Three times one of the numbers is 11 less than five times the other. Find the numbers.
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book Other Question
if we graph the equation x = 0, this is the x axis, do we say that this linear equation has many "x -intercepts"?..in other words do we say a line can "cross itself" many times?
F(x)=x/(x+1)then
f(x-1)=