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Maths Puzzle
Numerical Ability
Any help?? A wool suit, discounted 30% for a clearance sale has a price of #399. What was the suits original price? Thank you so much.
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Please help me
For the function f(x)=x^2-2x+1
(a) find f(0)
(b) solve f(x)=0
find the eguations of each line m=2;(1,3)