Diketahui f(x) = 3 pangkat x
tentukan nilai dari
f (x+3) - f (x+2) / f (x+2)
tentukan nilai dari
f (x+3) - f (x+2) / f (x+2)
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Verified answer
Fungsif(x) = 3ˣ
f(x+3) = 3ˣ⁺³ = 3³. 3ˣ
f(x+2) = 3ˣ⁺² = 3².3ˣ
(f(x+3) - f(x+2)) / f (x+2) =
= (3³. 3ˣ - 3² 3ˣ) / (3². 3ˣ)
= 3ˣ (3³ - 3²) / 3ˣ (3²)
(* 3ˣ nya di coret)
= (3³ - 3²) / (3²)
= (27-9)/9
= 18/9
= 2