Matematika Sekolah Menengah Atas f(x) = 5x!! + x²
f(5) = . . . ?
note: alien​

f(x) = 5x!! + x²
f(5) = . . . ?
note: alien​

f(x) = 5x!! + x²

f(5) = 5(5!!) + 5²

f(5) = 5(5×3×1) + (5×5)

f(5) = 5 ( 15 ) + 25

f(5) = 75 + 25

f(5) = 100

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Penjelasan dengan langkah-langkah:

f(x) = 5x!! + x²

f(5) = 5(5!!) + 5²

f(5) = 5(5 x 3 x 1) + 5 x 5

f(5) = 5(15 x 1) + 25

f(5) = 5(15) + 25

f(5) = 75 + 25

f(5) = 100

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