hannahsoutherland22 hannahsoutherland22
  • 18-04-2019
  • Mathematics
contestada

Given the function f(x) = 3x2 − 4, what is f(-2)?

A. -40
B. -16
C. 8
D. 32

Respuesta :

desperatesmile
desperatesmile desperatesmile
  • 18-04-2019

All this is asking you to do is plug in -2 for x

So

f(x)=3x²-4

f(-2)=3(-2²)-4

f(-2)=12-4

f(-2)=8

Answer Link
queensheep
queensheep queensheep
  • 18-04-2019
^^ correct! It would be 8! Your answer is C.
Answer Link

Otras preguntas

Ms brown divided her class into equal groups two eighths of 48 students went to math how many students went to math
Option is to choice as deference is to ____ rudeness respect difference alternative I think respect
find slope for 2x+5y=8?
How do you say"I enjoy playing basketball, soccer, and volleyball,but I do nott like snowboarding." In Spanish?
Who really invented the light bulb?
Write about situations in which you think compromise is appropriate and situations in which you thing compromise is not appropriate.
In which sentence is the number written correctly? A. Eighty four people came to the show. B. Ninety-two jelly beans are in the jar. C. There are twen
List the three purposes of a constitution?
what is -65 x -2? 5j + 10j?
Which rational number equals 0.6 repeating