The number of permutations of the 4 different letters, taken two at a time, is given by:
Points of inflections are zeroes of the second derivative. We have:

So, the second derivative equals zero if and only if

So, this is the only point of inflection of this function.
Answer:
A.5
B.16
C.11
D.3
E.5
Step-by-step explanation:
Answer:
y+4=4(x-3)
Step-by-step explanation:
y-y1=m(x-x1)
y-(-4)=4(x-3)
y+4=4(x-3)
137/100,
EXPLANATION:
Replace the decimal with a fraction sign.