effects of transformation!!please help me to solve!!
1. Given f(x)=2x^2-5x+10, Find the value of f(x)+1, f(x+2). f(x-3)
effects of transformation
2008-11-03 1:32 am
回答 (1)
2008-11-03 1:44 am
✔ 最佳答案
f(x) = 2x2 - 5x + 10
f(x) + 1
= 2x2 - 5x + 10 + 1
= 2x2 - 5x + 11
f(x + 2)
= 2(x + 2)2 - 5(x + 2) + 10
= 2(x2 + 4x + 4) - 5(x + 2) + 10
= 2x2 + 8x + 8 - 5x - 10 + 10
= 2x2 + 3x + 8
F(x - 3)
= 2(x - 3)2 - 5(x - 3) + 10
= 2(x2 - 6x + 9) - 5(x - 3) + 10
= 2x2 - 12x + 18 - 5x + 15 + 10
= 2x2 - 17x + 43
=
收錄日期: 2021-04-23 23:05:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081102000051KK01614