Im going to give 15 points for this question answer it

What is the pattern in the values as the exponents increase?

Prove that 16^4-2^13-4^5 is divisible by 11.

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis