Suatu fungsi dirumuskan dengan f(x) = 9x – 2 + 3x. Tentukan nilai dari f(6)!​

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Suatu fungsi dirumuskan dengan f(x) = 9x – 2 + 3x. Tentukan nilai dari f(6)!​

f(x) = 9x – 2 + 3x

f(6) = 9(6) – 2 + 3(6)

f(6) = 54 – 2 + 18

f(6) = 54 + 16

f(6) = 70

:)

Diketahui :

  • rumus fungsi f(x) = 9x – 2 + 3x

 :

Ditanya :

  • nilai f(6)?

 :

Jawab :

  • f(x) = 9x – 2 + 3x
  • f(6) = 9(6) – 2 + 3(6)
  • f(6) = (9 × 6) – 2 + 3(6)
  • f(6) = 54 – 2 + 3(6)
  • f(6) = 54 – 2 + (3 × 6)
  • f(6) = 54 – 2 + 18
  • f(6) = 52 + 18
  • f(6) = 70

– Ainyazzura-!

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