Specialist2024 Exam 2 Section A · Q1CAS active1 mark

Contrapositive of a statement about integers

Consider the statement

'for any integers $m$ and $n$ , if $m + n \geq 9$ then $m \geq 5$ or $n \geq 5$ '.

The contrapositive of this statement is

1 mark

Aif

m < 5

n < 5

, then

m + n < 9

Bif

m \geq 5

n \geq 5

, then

m + n \geq 9

Cif

m < 5

and

n < 5

, then

m + n < 9

Dif

m \leq 5

and

n \leq 5

, then

m + n \leq 9

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