amandamarshall2019 amandamarshall2019
  • 02-09-2021
  • Mathematics
contestada

If f(x) = 7x2 - 4x, what is the value
of f(2)?
F -8
J 17
G 2
K 20
H 6

Respuesta :

williamwong66
williamwong66 williamwong66
  • 02-09-2021

Answer:

K 20

Step-by-step explanation:

f(x) = 7x2 - 4x

f (2) = 7 (2)^2 - 4(2)

= 28 - 8

= 20

Since they replaced the x inside f(x) with 2, just do that the same to the right side, change all x into 2

Answer Link

Otras preguntas

what is 18/42 in it's simplest form?
Which American suffrage leader was arrested in 1872 when she tried to cast a vote in the U.S. presidential election? A. Susan B. Anthony B. Ida B. Wells C. Carr
The carbon footprint of an activity is used to assess environmental pollution. What does it measure?
6/11 y =_18/22 solve simplest form
A number is doubled and then increased by seven. The result is ninety three. What is the origonal number
Why do you think England passed the Tea Act?
How might a soldier inconspicuously attack his enemy?
59, 51, 55, 46, 50, 40, 44, ____, ____
40 percent of the 35 male guests wear glasses. Write the number of male guests who wear glasses as a fraction of the 56 guests. Give your answer in its simplest
Where would you look for glacial grooves in the 300 million year old rock of Antartica?