Question: In Problems 5558, (a) Graph each function by hand, (b) Solve f(x) 0. f(x) (x 1) (r2 5x +4) x + x - 20

In Problems 55–58, 


f(x) (x 1) (r2 5x +4) x + x - 20


(a) Graph each function by hand, 


(b) Solve f(x) ≥ 0.

f(x) (x 1) (r2 5x +4) x + x - 20

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