20 points please help due in less than 10 minutes.

please don’t use me for points I REALLY need help. :(

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

Which is the graph of the function y=2(4)^x

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