litcha10 litcha10

27-06-2017
Mathematics

contestada

given the function f(x)=-2x^2+4x-7, findv f(-4)
a.-55
b.-7
c.9
d.25

Respuesta :

mreijepatmat mreijepatmat

27-06-2017

f(x) = 2x² +4x -7

f(-4) means we replace x by (-4) in the above equation:
f(-4) = 2(-4)² + 4(-4) -7
f(-4) = 2(16) -16 -7
f(-4) = 32 - 16 - 7 = 9 (answer c)

Answer Link

Otras preguntas

Quick Write: The Social & Political Context of the Harlem Renaissance i need help stat

The Marbury v. Madison decision set up the power of "Judicial review." This allowed the Congress to review cases involving the government - true or false

The cart travels the track again and now experiences a constant tangential acceleration from point A to point C. The speeds of the cart are 14.0 ft/s at point A

URGENT WILL GIVE BRAINLIEST!! Which of the following was an effect of US imperialist efforts in Hawaii and the Philippines? The emergence of yellow journalism T

y = x² + x + 8 find 1st and 2nd derivitive

TIMED! URGENT! REALLY APPRECIATE HELP!! TYSM!!!!!! While on a weekend trip to Austin, you walk around the city at 1.7m/s. How far will you have moved in 15.9s?

Report emilfabris01 for answering questions for points with: Answer: This a great question however, I cannot answer this because- You can report here: https://f

Which sentence best illustrates the point of view? I was the first to get up and look closer at the bird. O It still didn't leave the box or fly around.

Explain the impeachment process. Why was Andrew Johnson not convicted

The store offers a 35% discount. If the regular price of an item is x dollars, what is the discount price in dollars?