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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