exam Maths Puzzle Numerical Ability

is there y-axis symmetry for the rational function f(x)= -4x^2/6x^4-3

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exam Other Question

Solve the open sentence and name and graph the solution set. Please and thank you, to I can have a clear understanding of what I am doing.

|2n+1|<9 Here is the problem:

Anita can iron a dress shirt in 15 minutes, but it takes Michelle 18 minutes to do the same. Working together, how many minutes will it take them to iron 1