Rumus fungsi 1.f (0) =-6 dan f (3)= -5 2.f (2) = 3 dan f (4)= 4
Matematika
fitraarlynda
Pertanyaan
Rumus fungsi
1.f (0) =-6 dan f (3)= -5
2.f (2) = 3 dan f (4)= 4
1.f (0) =-6 dan f (3)= -5
2.f (2) = 3 dan f (4)= 4
1 Jawaban
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1. Jawaban bubuajelage
apakah f(x) = ax + b ?????
jika iya maka :
1. a (0) + b = -6
b = -6
a (3) + b = - 5
3a + (- 6) = -5
3a = 1
a = 1/3
2. a (2) + b = 3 ==> 2a + b = 3
a (4) + b = 4 ==> 4a + b = 4
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-2a = -1
a = 1/2
2 (a) + b = 3
2 (1/2) + b = 3
1 + b = 3
b = 2