tommyb2 tommyb2

01-11-2017
Mathematics

contestada

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

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-1

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-2

-3

Respuesta :

chi3fcomm5nd chi3fcomm5nd

01-11-2017

the qurstion can be written as
f(x) is equal to 19 at a certain x.what is that x?
19=2x+3x+5
19=5x+5
14=5x
[tex]x = \frac{14}{5} [/tex]

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