A small airplane climbs at an angle of 18° with the ground.
Find the horizontal distance it
has flown when it has reached an altitude of 800 m.
a) 2,462 m
b) 260 m
c) 761 m
d) 2, 588 m
e) 841 m

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