anthonyveloz124 anthonyveloz124
  • 23-02-2020
  • Mathematics
contestada

How can you find f(2) if f(x) =3x2 -7

Respuesta :

kay9094
kay9094 kay9094
  • 23-02-2020
You have to put 2 in for ’x’
Answer Link
bayosanuade
bayosanuade bayosanuade
  • 23-02-2020

Answer: [tex]f(2) = 5[/tex]

Step-by-step explanation:

Given:

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

To find [tex]f(2)[/tex] , all we need do is to substitute 2 for x in the given function

That is :

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

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

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

[tex]f(2) = 5[/tex]

Therefore :

[tex]f(2) = 5[/tex]

Answer Link

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