What is the contrapositive of the conditional statement? If two variables are directly proportional, then their graph is a linear function.

A conditional statement has the form “if P, then Q.” Its contrapositive is “if not Q, then not P.” Here, P is “the variables are directly proportional,” and Q is “their graph is a linear function.” So the contrapositive is: “If the graph is not a linear function, then the variables are not directly proportional,” which is choice B.

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