SOALNYA : Suatu fungsi dirumuskan f(x) = 5x+8. Jika f(6) = m dan f(n) = 33 maka tentukan hasil m+n !
Matematika
Kaninptr
Pertanyaan
SOALNYA : Suatu fungsi dirumuskan f(x) = 5x+8. Jika f(6) = m dan f(n) = 33 maka tentukan hasil m+n !
2 Jawaban
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1. Jawaban firastatistics
f(6) = 5(6) + 8 = 30 + 8 = 38
Maka m = 38
f(n) = 5n + 8 = 33
5n = 25
n = 5
Maka m + n = 38 + 5 = 43 -
2. Jawaban fadhilaN
f(x) = 5x+8
f(6) = 5(6)+8 = 38 = m
f(n) = 33
33 = 5n+8
5n = 8 - 33
5n = -25
n = -25 : 5 = -5
m + n = 38 + (-5) = 33