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(Solved): A function f(x) is said to have a jump discontinuity at x=a if: \lim_(x->a^(-))f(x) exists. \l ...



A function

f(x)

is said to have a jump discontinuity at

x=a

if:

\lim_(x->a^(-))f(x)

exists.

\lim_(x->a^(+))f(x)

exists. The left and right limits are not equal. Let

f(x)={(8x-5, if x<9),((1)/(x+9), if x>=9):}

Show that

f(x)

has a jump discontinuity at

x=9

by calculating the limits from the left and right at

x=9

.

\lim_(x->9^(-))f(x)= \lim_(x->9^(+))f(x)=

Now, for fun, try to graph

f(x)

.



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