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tyrannasorousLex
f(x) is another word for y-intercept, so imagine y=mx+b, find your slope and plug it into the equation you need to find.
elsaunicorn2112
f(x) is another way to say y. F(x) is most commonly used when comparing functions. f(x) is just y. Therefore, writing
f(x)=mx+b is the same thing as writing
y=mx+b