Diketahui fungsi f(x) = 2 - 3x, jika x = {-2, -1, 0, * 1, 2}. Maka daerah hasilnya adalah.... O A.{8, 5, 2,-1,-4} O B.{-4, 1, 2, 5, 6} O C.{8, 5, 2, 1,-4} O D. {-4, -1, 2, 5, 6}
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Penjelasan dengan langkah-langkah:
f(x) = 2 - 3x
x = {-2,-1,0,1,2}
• Menentukan range :
f(-2) = 2 - 3.(-2) = 2 + 6 = 8
f(-1) = 2 - 3.(-1) = 2 + 3 = 5
f(0) = 2 - 3.0 = 2 - 0 = 2
f(1) = 2 - 3.1 = 2 - 3 = -1
f(2) = 2 - 3.2 = 2 - 6 = -4
Range = {8,5,2,-1,-4} Jawabannya A.
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