Question

Find the absolute maximum value of f(x)= x4−2x

a) 0

b) −1.1906

c) No absolute maximum

d) 0.7937

e) None of the above

A farmer has 420 feet of fencing to enclose 2 adjacent rectangular pig pens sharing a common side. What dimensions should be used for each pig pen so that the enclosed area will be a maximum? The two adjacent pens have the same dimensions.

a) 220 ft  ×  15  ft

b) 120 ft  ×  27.50  ft

c) 45 ft  ×  65  ft

d) 70 ft  ×  52.50  ft

e) 100 ft  ×  37.50  ft

Answer 1