Question: In Problems 5558, (a) Graph each function by hand, (b) Solve f(x) 0. f(x) 2x + 9x + 9 x2-4

In Problems 55–58, 


f(x) 2x + 9x + 9 x2-4


(a) Graph each function by hand, 


(b) Solve f(x) ≥ 0.

f(x) 2x + 9x + 9 x2-4

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