題目列表(包括答案和解析)
(1);
(2).
(1)(C)′= (C為常數(shù)).?
(2)(xn)′= (n∈N*).?
(3)(ax)′= .?
(4)(ex)′= .?
(5)(logax)′= .?
(6)(lnx)′= .?
(7)(sinx)′= .?
(8)(cosx)′= .?
(9)[±]′= .?
(10)[·]′= .?
(11)[]′= 〔g(x)≠0〕.
導(dǎo)數(shù)的意義
(1)導(dǎo)數(shù)的幾何意義:函數(shù)y=f(x)在x0處的導(dǎo)數(shù)(x0)就是曲線y=f(x)在點(diǎn)p(x0,f(x0))處的切線的_________,即_________.
(2)導(dǎo)數(shù)的物理意義:函數(shù)s=s(t)在點(diǎn)t0處的導(dǎo)數(shù)_________,就是當(dāng)物體的運(yùn)動方程s=s(t)時,物體運(yùn)動在時刻t0時的瞬時速度v,即v=_________.
導(dǎo)數(shù)的意義
(1)導(dǎo)數(shù)的幾何意義:函數(shù)y=f(x)在點(diǎn)x0處的導(dǎo)數(shù)(x0)就是曲線y=f(x)在點(diǎn)P(x0,f(x0))處的切線的_________,即_________.
(2)導(dǎo)數(shù)的物理意義:函數(shù)s=s(t)在點(diǎn)t0處的導(dǎo)數(shù)_________,就是當(dāng)物體的運(yùn)動方程為s=s(t)時,物體運(yùn)動在時刻t0時的瞬時速度v,即v=(t0).
導(dǎo)數(shù)的概念
(1)對于函數(shù)y=f(x),如果自變量x在x0處有增數(shù)Δx,那么函數(shù)y相應(yīng)地有增量_________;比值_________就叫做函數(shù)y=f(x)在x0到x0+Δx之間的_________.
(2)當(dāng)Δx→0時,有極限,我們就說y=f(x)在點(diǎn)x0處_________,并把這個極限叫做f(x)在點(diǎn)x0處的導(dǎo)數(shù)(或變化率)記作_________或_________,即(x0)=_________=_________,函數(shù)f(x)的導(dǎo)數(shù)(x)就是當(dāng)Δx→0時,函數(shù)的增量Δy與自變量的增量Δx的比的極限,即(x)=_________=_________.
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