Question

Diketahui fungsi fx=mx+n,
f(-1)=1,dan f(1)=5.Nilai m dan n berturut turut adalah?

Answer 1

Verified answer

Bab Fungsi
Matematika SMP Kelas VIII

f(x) = mx + n

f (-1) = -m + n = 1
f (1)  =  m + n = 5
          ---------------- +
                  2n = 6
                    n = 6 : 2
                    n = 3

m + n = 5
m + 3 = 5
m = 5 - 3
m = 2

jadi, m = 2 dan n = 3

Answer 2

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