Which graph represents a function that has the domain (-0, 4) U (4,3) U (3, ), has a y-intercept at (0, 3), and is increasing on the interval (0,4)?

Her conclusion that 90% of the student body wants the colors changed is an INCORRECT conclusion. The 90% out of 100% is not referring to the total numbers of the student body.For example, 100 people are members of student body if only 50 members responded the survey, then we have:
 90% of 50 members who answered the survey said that they want the changed.