Which of the following is a true statement about functions? A.) If A and B are matrices, then AB can always be computed.
B.) If f is a function, then f(2+h)=f(2)+f(h)
C.) If f and g are functions, then (f+g)(-2)=(g+f)(-2)
D.) If f and g are functions, then (g o f) (x)=(f o g)(x)

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.