f(x)=3x²-x²
dengan daerah asal {-2,-1,0,1,2,3,4}
tentukan range nya!
dengan daerah asal {-2,-1,0,1,2,3,4}
tentukan range nya!
Jawaban:
{8,2,0,2,8,18,32}
Penjelasan dengan langkah-langkah:
f(x) = 3x² - x²
f(x) = 2x²
Domain = {-2,-1,0,1,2,3,4}
f(-2) = 2(-2)² = 2(4) = 8
f(-1) = 2(-1)² = 2(1) = 2
f(0) = 2(0)² = 0
f(1) = 2(1)² = 2(1) = 2
f(2) = 2(2)² = 2(4) = 8
f(3) = 2(3)² = 2(9) = 18
f(4) = 2(4)² = 2(16) = 32
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