Question

diketahui fungsi F (×)= × kuadrat -×+3
tentukan F (×)=2,3,4


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Answer 1

f(x) = x² - x + 3

f(2) = 2² - 2 + 3

f(2) = 4 - 2 + 3

f(2) = 2 + 3

f(2) = 5

f(3) = 3² - 3 + 3

f(3) = 9 - 3 + 3

f(3) = 6 + 3

f(3) = 9

f(4) = 4² - 4 + 3

f(4) = 16 - 4 + 3

f(4) = 12 + 3

f(4) = 15

Answer 2

Penjelasan dengan langkah-langkah:

Fungsi f(2) !

[tex] \tt \: f(x) = {x}^{2} - x + 3[/tex]

[tex] \tt \: f(2) = {2}^{2} - 2 + 3[/tex]

[tex] \tt \: f(2) = 4 - 2 + 3[/tex]

[tex] \tt \: f(2) = 2 + 3[/tex]

[tex] \bf \: f(2) = 5[/tex]

Fungsi f(3)!

[tex] \tt \: f(x) = {x}^{2} - x + 3[/tex]

[tex] \tt \: f(3) = {3}^{2} - 3 + 3[/tex]

[tex] \tt \: f(3) = 9 - 3 + 3[/tex]

[tex] \tt \: f(3) = 6 + 3[/tex]

[tex] \bf \: f(3) = 9[/tex]

Fungsi f(4) !

[tex] \tt \: f(x) = {x}^{2} - x + 3[/tex]

[tex] \tt \: f(4) = {4}^{2} - 4 + 3[/tex]

[tex] \tt \: f(4) = 16 - 4 + 3[/tex]

[tex] \tt \: f(4) = 12 + 3[/tex]

[tex] \bf \: f(4) = 15[/tex]

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