A. if x1< x2 then f(x1) = f(x2)
B. if x1< x2 then f(x1) <f(x2)
C. if x1< x2 then f(x1) >f(x2)
D. A & C
View AnswerB. if x1< x2 then f(x1) <f(x2)
A. if x1< x2 then f(x1) = f(x2)
B. if x1< x2 then f(x1) <f(x2)
C. if x1< x2 then f(x1) >f(x2)
D. A & C
View AnswerB. if x1< x2 then f(x1) <f(x2)