Discussion:
Q: Find the values of f(x) at which each of the following functions is discontinuous. Why is the function discontinuous at that value?
a) f(x)= {2x+5, x<1 {x+6, x is greater than or equal to 1
b) f(x)= {2x+5, x is not equal to 1 {3, x=1
c) f(x)= 1/x
d) f(x)= {(x^2)+10}/{(x^2)-x-2}