zaidencruz12 zaidencruz12
  • 23-04-2024
  • Mathematics
contestada

What does f(3)= and f(-4)=

What does f3 and f4 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 23-04-2024

Answer:

f(3) = - 7 , g(- 3) = 39

Step-by-step explanation:

To evaluate g(3) , substitute x = 3 into f(x)

f(x) = - 2x - 1 , then

f(3) = - 2(3) - 1 = - 6 - 1 = - 7

To evaluate g(- 3) , substitute x = - 3 into g(x)

g(x) = 4x² - x , then

g(- 3) = 4(- 3)² - (- 3) = 4(9) + 3 = 36 + 3 = 39

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