F(x)=3mx+5 Nilai f(2)=23 a. Tentukan nilai m b. Rumus fungsi f c. Nilai f(5)
Matematika
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Pertanyaan
F(x)=3mx+5
Nilai f(2)=23
a. Tentukan nilai m
b. Rumus fungsi f
c. Nilai f(5)
Nilai f(2)=23
a. Tentukan nilai m
b. Rumus fungsi f
c. Nilai f(5)
1 Jawaban
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1. Jawaban Lianty164
a, f (x) = 3mx +5
f (2) = 3m (2) +5 = 23
6m +5 =23
6m = 23 -5
6m = 18
m = 18/6
m = 3
nilai m = 3
b. rumus fungsi = 3 (3) x +5
f (x) = 9x + 5
c. nilai f ( 5)
= 9 (5) + 5
= 45 +5
= 50
nilai f (5) = 50