Question.
[tex] \\ [/tex]
↬f(x) = 8x² + x
↬f(4) + f(6) + f(2)
[tex] \\ [/tex]
[tex]\mathbb\color{pink}{{{RULES : }}}[/tex]
↬Pakai cara!
↬ngasal → report!
↬Rapi!
↬Salah → koreksi 30 menit!
[tex] \\ [/tex]
kangen ...
[tex] \\ [/tex]
↬f(x) = 8x² + x
↬f(4) + f(6) + f(2)
[tex] \\ [/tex]
[tex]\mathbb\color{pink}{{{RULES : }}}[/tex]
↬Pakai cara!
↬ngasal → report!
↬Rapi!
↬Salah → koreksi 30 menit!
[tex] \\ [/tex]
kangen ...
f(x) = 8x² + x
f(4) = 8.4² + 4
= 128 + 4
= 132
===========
f(x) = 8x² + x
f(6) = 8.6² + 6
= 288 + 6
= 294
===========
f(x) = 8x² + x
f(2) = 8.2² + 2
= 32 + 2
= 34
===========
f(4) + f(6) + f(2)
= 132 + 294 + 34
= 460
Jawaban:
↬ f(4)
↬ f(6)
↬ f(2)
= f(4) + f(6) + f(2)
= 132 + 294 + 34
= 460