snead1114 snead1114
  • 01-04-2020
  • Mathematics
contestada

Find f(-2) for the function f(x)=3x2-2x+7

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 01-04-2020

Answer:

[tex]f(-2) = 23[/tex]

Step-by-step explanation:

Step 1:  Set x to -2  and solve

[tex]f(-2) = 3x^2 - 2x + 7[/tex]

[tex]f(-2) = 3(-2)^2 - 2(-2) + 7[/tex]

[tex]f(-2) = 3(4) + 4 + 7[/tex]

[tex]f(-2) = 12 + 4 + 7[/tex]

[tex]f(-2) = 23[/tex]

Answer:  [tex]f(-2) = 23[/tex]

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