Maths question

👨🏻‍🏫 學術台數學

用戶85377

2007-10-24 4:45 am

f(x) = 3x^3 - 2x, then f(2x), what would the equation change?

回答 (2)

Pinki Kan

2007-10-24 5:02 am

✔ 最佳答案

f(x) = 3x^3 - 2x

f(2x)
=3(2x)^3-2(2x)
=3(8x^3)-4x
=24x^3-4x

👍 0 👎 0

用戶7639

2007-10-24 6:46 am

f(2x)=3(2x)³-2(2x)
=24x³-4x

👍 0 👎 0

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