4復丂戙擖寁嶼
暥帤
x
偵抣傪戙擖偡傞偙偲傕偱偒傑偡丅埲壓偱偼丄
Maple
偑弌椡偡傞晹暘
( y:=x+2.4側偳 )
傕暪偣偰彂偄偰偁傝傑偡丅
亜 y:=x+2.4
(x+2.4傪y偲偍偔)
y:=x+2.4
亜 subs(x=5,y)
(x=5傪戙擖偟偨偲偒偺y偺抣傪媮傔傞)
7.4
亜 restart
(曄悢x,y傪僋儕傾)
師偺傛偆偵娭悢傪掕媊偟偰丄戙擖寁嶼偡傞偙偲傕偱偒傑偡丅
亜 f:=x->x+2.4
(娭悢 f(x)=x+2.4 傪掕媊)
f:=x->x+2.4
亜f(5)
7.4
(f(5)傪寁嶼)
亜restart
(娭悢丂f(x) 傪僋儕傾)
曄悢偼巊偄廔偊偨傜
restart
僐儅儞僪傪梡偄偰丄僋儕傾
(
偦傟傑偱婰壇偝傟偰偄傞撪梕傪弶婜壔
)
偡傞廗姷傪偮偗偰偍偔偲傛偄偱偟傚偆丅
幚廗
4.1
娭悢
f(x)=2x
3
-3x
2
+5x+1
偵懳偟偰丄
f(1) , f(-3) , f(0.2)
偺抣傪偦傟偧傟媮傔偰傒傑偟傚偆丅
[惓夝椺
]