For fiddler crabs, the weight of the claw can be modeled as pounds when the weight of the body is w pounds. Describe the direction and concavity of for positive values of w.
A) The function f is increasing, concave up for .
B) The function f is decreasing, concave up for .
C) The function f is increasing, convex up for .
D) The function f is decreasing, convex up for .
E) The function f is decreasing, convex up for .

Question

For fiddler crabs, the weight of the claw can be modeled as  pounds when the weight of the body is w pounds. Describe the direction and concavity of  for positive values of w.
A) The function f is increasing, concave up for . 
B) The function f is decreasing, concave up for . 
C) The function f is increasing, convex up for . 
D) The function f is decreasing, convex up for . 
E) The function f is decreasing, convex up for .

Quizplus · Accepted Answer

The Answer of For fiddler crabs, the weight of the claw can be modeled as  pounds when the weight of the body is w pounds. Describe the direction and concavity of  for positive values of w.
A) The function f is increasing, concave up for . 
B) The function f is decreasing, concave up for . 
C) The function f is increasing, convex up for . 
D) The function f is decreasing, convex up for . 
E) The function f is decreasing, convex up for .

For Fiddler Crabs, the Weight of the Claw Can Be