Answer with explanation:
Draw the Coordinate plane, that is x y , plane and mark positive and negative natural number on both x and y axis.
⇒Meaning of increasing is, if ,
a > b, then f(a) > F(b)
⇒And, Meaning of decreasing is, if
a > b, then f(a) < f(b).
⇒Meaning of Consistent is
, Either of that is, a > b or a < b,
f(a) = f(b)
