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18-06-2016
Mathematics

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The function f(x) = 2x2 + 3x + 5, when evaluated, gives a value of 19. What is the function’s input value?
1
-1
2
-2
-3

Respuesta :

jhonyy9 jhonyy9

19-06-2016

for x=2 you get 2*4+3*2+5 = 19

so this is the input value to get 19

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