shandobson25 shandobson25
  • 01-07-2021
  • Mathematics
contestada

If f(x) = 3x^2 + 4x-5, then f(-2) =

Respuesta :

mistressofdark
mistressofdark mistressofdark
  • 01-07-2021

f(x) = 3x² + 4x - 5

So, f(-2)

= 3(-2)² + 4(-2) - 5

= 3(4) + (-8) - 5

= 12 - 8 - 5

= 4 - 5

= -1

Answer Link
jay40891
jay40891 jay40891
  • 01-07-2021

Answer:

-1

Step-by-step explanation:

[tex]f(x) = 3x {}^{2} + 4x - 5 \\ f( - 2) = 3( - 2) {}^{2} + 4( - 2) - 5 \\ = 12 - 8 - 5 \\ = - 1[/tex]

Answer Link

Otras preguntas

In the 1980's, Congress authorized the U.S. Department of Energy to build the WIPP facility in the Chicuahuan Desert in New Mexico. What is the purpose of WIPP?
What is the solution to this system of equations? Y= 2x - 3.5 x - 2y = -14
25pts The diagram shows the positions of the sun, moon and Earth during spring tides, when the high tides are at their highest and low tides at their lowest. W
PLEASE HELP ME? 10 POINTS??? HELP ME ASAP
in 12 angry men the jurors decide that the women could see as far as she could
What is the value of x? ___ units
Which of the following would one might expect to be a characteristic of an edge city? (1 point) I. Tenement housing II. Office parks III. Stable infrastructur
Is British Society today better than it was 400 years ago?
plz help I'll give brainlest!!!!!
What is the value of x?