Question
for each of the following, find a: lim x-->a- f(x) b: lim x-->a+ f(x) c: lim x-->a f(x) show your work/ justify your answers: A:
- for each of the following, find
a: lim x-->a- f(x)
b: lim x-->a+ f(x)
c: lim x-->a f(x)
show your work/ justify your answers:
A: f(x)={3x+1 x<2
{8 x=2 a=2
{x^2 +3 x>2
a:
b:
c:
B: f(x)=3-x/|x-3| a=3
a:
b:
c:
C: f(x)=[sqrt(3+x)-sqrt(3)]/x a=0
a:
b:
c:
D: f(x)={sinx/2 x<2pi>
{x^2/pi x> and equals 2pi/3 a=2pi/3
a:
b:
c:
2.Sketch a graph of each function
A: a function that is continuous everywhere except at x=4. At x=4 the function is continuous from the right but not continuous from the left
B: a function that has a removable continuous at x=-2 and an infinite discontinuity at x=3, but is continuous elsewhere
C:a function such that lim x--->infinity f(x)=-2, lim x--->negative infinity f(x)=3, f(2)=1, f(-2)=5, lim x---> -1f(x)=infinity
D: graph f(x)={sqrt(x-2) x> and equals 3
{|x-1| x<3 and determine if f(x) is continuous at 3. Use limits to justify your answer
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