If f " is positive, then f is concave up. If f " is negative, then f is concave down. If f " is zero, we say that the function f has no concavity. It's flat. Pancakes can survive in a world of no concavity. When a function has no concavity, it means f doesn't curve at all. It's a straight line:
Exercise 1
Determine if the function is concave up, concave down, or has no concavity:
Exercise 2
Determine if the function is concave up, concave down, or has no concavity:
Exercise 3
Determine if the function is concave up, concave down, or has no concavity:
Exercise 4
Determine if the function is concave up, concave down, or has no concavity:
Exercise 5
Determine if the function is concave up, concave down, or has no concavity:
Exercise 6
Determine if the function is concave up, concave down, or has no concavity:
Exercise 7
Determine if the function is concave up, concave down, or has no concavity:
Exercise 8
Determine if the function is concave up, concave down, or has no concavity:
Exercise 9
Determine if the function is concave up, concave down, or has no concavity:
Exercise 10
Determine if the function is concave up, concave down, or has no concavity: