crystal8939
crystal8939
13-12-2019
Mathematics
contestada
f(x) = 2x^2+ 5x + 20
Find f(-9)
Respuesta :
Yang100
Yang100
13-12-2019
Answer:
137
Step-by-step explanation:
2(-9)^2+5(-9)+20
2(81)-45+20
162-45+20
117+20
137
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