Consider the function
h(x)=x2−5x+6x2−4x+3.
Which of the following lists all real numbers at which h is discontinuous and correctly classifies each type of discontinuity?
a) x=1(removable),x=2(infinite)
b) x=2(infinite),x=3(removable)
c) x=2(removable),x=3(infinite)
d) x=2(infinite),x=3(infinite)