La base de una escalera se coloca 5 pies de distancia de una pared de 13 pies de altura. ¿Cuál es la escala de longitud mínima necesaria para alcanzar la parte superior de la pared (redondeando al pie más cercano)?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.