24-04-2021
Mathematics

contestada

If f(x) = -2x2 + x-5, what is f(3)?

If fx 2x2 x5 what is f3 class=

Respuesta :

altavistard altavistard

25-04-2021

Answer:

f(3) = -20

Step-by-step explanation:

Replace each instance of x in 3^2x -9 =0 with 3:

f(x) = -2x2 + x-5 = f(x) = -2x^2 + x-5 (" ^ " represents "exponentiation")

f(3) = -2(3)^2 + 3 - 5

f(3) = - 18 - 2 = -20

Answer Link

Otras preguntas

5 words to describe mass science

Select the name of the stave that musicians use to indicate high pitched notes

Score: 0 of 1 pt 4 of 8 (2 complete) 2.2.15 A large western state consists of 4423 million acres of land. Approximately 19% of this land is federally owned. Fin

whos on the 1 dollar bills

Propaganda. Originally, propaganda meant a system for propagating (spreading) religious doctrines, then any kind of ideas. As used today, it generally means the

what is the basic unit of structure and function in the human body

Part B Write an expression that represents the net change in Rylee's bank account balance after paying for fuel at the gas station.

Which of the following inequalities are true? 4 < -8 8 < -4 -8 < -4 -8 > -4

Solve the equation t/2+7=15

The travelers are adding a new room to their house. the room will be a cube with volume 3375 ft.³.they are going to put in hardwood floors, the contractor charg