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

One mole of an unknown compound has 36.04g of carbon and 6.04g of hydrogen. What is the compound's empirical formula?
solve the inequality 4(n-3)- 6 > 18
How does a comet’s tail form? 20 points pleas
which statement best compares attitudes of the north and south during the civil war
how to solve 4p(q-1)+q(1-p)
Which two statements best define a theme of a poem? A theme is a main topic that a poem emphasizes. A theme is a statement about a subject of a poem. A theme
the length of side X is 36.25 cm to the nearest hundredth of a centimeter what is the length of y
can u show me how to solve this problem 0.11 times 0.91
add a nonrestrictive element using commas.
how is the effect of force exerted on a body measured