判斷函數(shù)的點(diǎn)是連續(xù)點(diǎn)還是間斷點(diǎn)
1.f(x)={ (1/x)sinx x≠0
1 x=0 在x=0點(diǎn)是連續(xù)點(diǎn)?無窮間斷點(diǎn)?可去間斷點(diǎn)?跳躍間斷點(diǎn)?
2.f(x)={ xsin1/x x＞0
1 x≤0 在x=0點(diǎn)是連續(xù)點(diǎn)?無窮間斷點(diǎn)?可去間斷點(diǎn)?跳躍間斷點(diǎn)?
3.f(x)={ (e的x方-1)/x x＜0
0 x≥0 在x=0點(diǎn)是連續(xù)點(diǎn)?無窮間斷點(diǎn)?可去間斷點(diǎn)?跳躍間斷點(diǎn)?
順便解釋下連續(xù)點(diǎn)、無窮間斷點(diǎn)、可去間斷點(diǎn)、跳躍間斷點(diǎn)之間的區(qū)別.
我按空格鍵的地方被撤銷了~
例如1.f(x)為分段函數(shù)，當(dāng)x≠0 時(shí)等于(1/x)sinx 當(dāng)x=0時(shí)等于1