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

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

plzzz help How could the overuse of household disinfectants weaken the immune system? By killing white blood cells that inhabit the surface of the skin By br

Lauren scores on her math tests are 93,91,98,100,95,92, and 96. What score could Lauren get on her next math test so that the mean and median remain the same?

How are the themes of "The Colored Soldiers" and "War Is Kind" similar? A-Both poems imply that sacrifices bring rewards. B-Both poems suggest that order can b

According to the map, which of these early civilizations dipped the furthest south toward the Indian Ocean?

what is straight is part of a line and has 2 endpoints

questionson cell arrangement

In a store CD costs $22.00. What amount of sales tax must be paid if the sales tax rate is 5.5%?

how did Mark Twain's childhood influence his writing as an adult?

In the reaction A + B C, doubling the concentration of A doubles the reaction rate and doubling the concentration of B does not affect the reaction rate. What

What is the rate of change and initial value for the linear relation that includes the points shown in the table? x y 1 10 2 8 3 6 4 4 Initial value: 12, rate