Intermediate Algebra Summery

Solve the equation for y. Replace y with f(x) Given : x + y = 1 . 1. y = –x + 1 . 2. f(x) = –x + 1 Evaluate f(x) Use whatever expression is found in the parentheses following the f to substitute into the rest of the equation for the variable x, then simplify completely. f(x) can be expressed as an ordered pair (x,f(x)) ................
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