Answer:
christopher columbus
Step-by-step explanation:
Without knowing anything else about
, neither of these need be true.
Suppose

Then (I) isn't true because, while the limit exists as
and is equal to 7, we have
, so
is not continuous there.
(II) also true because
is not differentiable at
; that is,

but

which means the derivative does not exist at
.
There are 4 terms in the expression.
Terms are each of the entities.
4x, + 3y , -12x, +5
Not a 100% positive this is the answer but i think it is 2.5
got this by dividing 30 by 12 and got 2.5
Cleavage: 2-dimensional surfaces are known as cleavage planes.