一道数学数学题目(英文的)是关于导函数的!
1.Sketchagraphoftheexponentialfunctiong(x)=5^x.Thenusethederivativeformula
f'(x)=limf'(x)=lim[f(x+h)-f(x)]/htoestimatef'(5),f'(0),andf'(10)(thiscanbedoneusingthetableonyou
h→0
graphingcalculator,butmakesureyouwritedowntheformulayouenteredinplaceofy1.)Dothesevaluesmakesensecomparedtoyoursketch?Fromyourgraph,explainthevaluesoflimf'(x)andlimf'(x)
x→-∞x→∞
翻译过来的大概意思是:给指函数方程g(x)=5^x画个草图,然后用导函数公式
f'(x)=limf'(x)=lim[f(x+h)-f(x)]/h去估算f'(5),f'(0),andf'(10)(可以用画图计算器去得到结果.)得出来的值
h→0
和你的图对称吗?或者说符合吗?最后看图解释f'(x)andlimf'(x)
x→-∞x→∞
我不知道怎么用计算机去得到结果!图是可以画出来的.大家没有画图计算器的话可以用公式推算出来吗?还有就是最后怎么解释f'(x)andlimf'(x)?
x→-∞x→∞
上面打的太乱了!重打次!
Sketchagraphoftheexponentialfunctiong(x)=5^x.Thenusethederivativeformula
f'(x)=limf'(x)=lim[f(x+h)-f(x)]/htoestimatef'(5),f'(0),andf'(10)(thiscanbedoneusingthe
h→0
tableonyougraphingcalculator,butmakesureyouwritedowntheformulayouenteredinplaceofy1.)Dothesevaluesmakesensecomparedtoyoursketch?Fromyourgraph,explainthevaluesoflimf'(x)andlimf'(x)
x→-∞x→∞