f(x) = 5x + 8
f(-3) = 5(-3) + 8
f(-3) = -15 + 8
f(-3) = -7
f(4) = 5(4) + 8
f(4) = 20 + 8
f(4) = 28
= -7 + 28
= 21
Penjelasan dengan langkah-langkah:
mencari fungsi f(-3)
--
mencari fungsi f(4)
menjumlahkan nilai fungsi f(x)!
f(-3) + (4)
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f(x) = 5x + 8
f(-3) = 5(-3) + 8
f(-3) = -15 + 8
f(-3) = -7
f(x) = 5x + 8
f(4) = 5(4) + 8
f(4) = 20 + 8
f(4) = 28
= -7 + 28
= 21
Penjelasan dengan langkah-langkah:
mencari fungsi f(-3)
f(x) = 5x + 8
f(-3) = 5(-3) + 8
f(-3) = -15 + 8
f(-3) = -7
--
mencari fungsi f(4)
f(x) = 5x + 8
f(4) = 5(4) + 8
f(4) = 20 + 8
f(4) = 28
--
menjumlahkan nilai fungsi f(x)!
f(-3) + (4)
= -7 + 28
= 21