6. Suatu rumus fungsi f(x) = -4x - 6. Hitunglah f (4 ) + f ( 5 )
Matematika
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Pertanyaan
6. Suatu rumus fungsi f(x) = -4x - 6. Hitunglah f (4 ) + f ( 5 )
2 Jawaban
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1. Jawaban akwilaelmadhitya
f(x) = -4x-6
f(4) = -4(4)-6 =-16-6=-22
f(5) = -4(5)-6 =-20-6=-26
f(4)+f(5) = -22+(-26) =-22-26 =-48 -
2. Jawaban RanshiVM
Bayangan dari 4 ~> f(x) = -4x - 6
f(4) = -4(4) - 6
= -16 - 6
= -22
Bayangan dari 5 ~> f(x) = -4x - 6
f(5) = -4(5) - 6
= -20 - 6
= -26
f(4) + f(5) = -22 + (-26)
= -22 - 26
= -48