toltecavsmaya
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 :

iGreen
iGreen iGreen
  • 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
Answer Link
Panoyin
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

Otras preguntas

if the surface area of a lidless cubical box is 180 cm square ,find it length​
What are the goals of network security and what sorts of attacks do you need to defend against
How many different ways can 4 events be ordered?
Which word best describes the ending of Rats? A happy B quiet C weird D sad
Mercantilism is the economic idea that In order for a country to prosper, its exports must exceed its imports. O In order for a country to prosper, its imports
If f(1)=5 and f(n)=-2f(n-1)-5 then find the value of f(4)
Decrease 300 by 30% and then increase it by 20%
The scale on a blueprint of a home is 1 in : 4 ft. The actual length of the family room is 26 feet. What is the blueprint length?
Prove that :sin(A+B). sin (A-B) = sin² A-sin ² B .​
What is the volume, in cubic in, of a cylinder with a height of 8in and base radius of 2in