exam
Maths Puzzle
Numerical Ability
Another question please
For the function defined by f(x) = 5x-4, find a formula for f-1(x)
why is algebra soooo hard! I am trying to understand this. Pleeze help
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exam Other Question
Two cities on a map are 5.5 inches apart. The cities are actually 198 milles apart. What was the scale used to draw the map?
complex fractions
9x^2-16y^2 over xy over 3 over y -4 over x
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