Find x in this 45°-45°-90° triangle.

x=

The parabola opens: y=√x-4 (principal square root) up down right left

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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