What is the contrapositive of the conditional statement?If two variables are directly proportional, then their graph is a linear function.
A
If two variables are directly proportional, then their graph is not a linear function.B
If two variables are not directly proportional, then their graph is not a linear function.C
If the graph of two variables is a linear function, then the two variables are directly proportional.D
If the graph of two variables is not a linear function, then the two variables are not directly proportional.