Question on: JAMB Mathematics - 2009
If m \(\ast\) n = n-(m + 2) for any real numbers m and n, find the value of 3 \(\ast\) (-5)
A
-6
B
-8
C
-10
D
-12
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Correct Option: C
If m x n = n
= n - (m + 2)
3 \(\ast\) (-5) = -5 - (3 + 2)
= -5 - 5
= -10
= n - (m + 2)
3 \(\ast\) (-5) = -5 - (3 + 2)
= -5 - 5
= -10
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