Tentukan range f, jika fungsi :
y=f(x)=2x-5, jika Domain f={-2≤x≤1,x€R}
PELAJARAN MATEMATIKA KELAS 10 SMA Jurusan IPS
y=f(x)=2x-5, jika Domain f={-2≤x≤1,x€R}
PELAJARAN MATEMATIKA KELAS 10 SMA Jurusan IPS
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Verified answer
Kelas 10 MatematikaBab Fungsi Komposisi
y = f(x) = 2x - 5
f(-2)
= 2 . (-2) - 5
= -4 - 5
= -9
f(-1)
= 2 . (-1) - 5
= -2 - 5
= -7
f(0)
= 0 - 5
= -5
f(1)
= 2 . 1 - 5
= 2 - 5
= -3
Range = { -9, -7, -5, -3 }