pliss pake caranya ya, diketahui f(x) = 5x - 3. jika f(a) = -8 maka a =
Matematika
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Pertanyaan
pliss pake caranya ya, diketahui f(x) = 5x - 3. jika f(a) = -8 maka a =
2 Jawaban
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1. Jawaban Adeldeswita
f (x) = 5x - 3
f (a) = -8
a ?
f (a) = 5 (a) - 3 = -8
= 5a = -8 + 3
= 5a = -5
= a = -1 -
2. Jawaban Raihanfadh
f(x) = 5x-3, f(a) = -8, a=?
f(x) = f(a)
f(a) = 5a-3
-8= 5a-3
-8+3=5a
-5=5a
-1=a