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Mathematics 7 Online
OpenStudy (anonymous):

f(x) is quadratic. f(1) = 3 and f(x-1) - f(x) = -4x+5. write an expression for f(x). please help! I've tried different ways of doing this. I have the points (1,3) and (0,4), but there are an infinite number of quadratic equations that fit those 2 points??

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