toltecavsmaya toltecavsmaya

01-04-2015
Mathematics

contestada

if f(x)+=1/2 2- 4x, what is the value of f(8)?

a) 0
b)-28
c) 96
d) 32
pd: 1/2 is times 1/2 no is 1/22

Respuesta :

01-04-2015

f(x) = 1/2 * 2 - 4x

Just plug in 8 for 'x':

f(x) = 1/2 * 2 - 4(8)

Multiply:

f(x) = 1 - 4(8)

Multiply:

f(x) = 1 - 32

Subtract:

f(x) = -31

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Panoyin Panoyin

02-04-2015

f(x) = ¹/₂ · 2 - 4x
f(8) = ¹/₂ · 2 - 4(8)
f(8) = 1 - 32
f(8) = -31

The answer is not equal to any number, it is equal to -31.

Answer Link

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