The graph shown gives the weight of a certain person as a function of age.Find the age at which the person started an exercise program.
A)20
B)54
C)38
D)30
E)35

Question

The graph shown gives the weight of a certain person as a function of age.Find the age at which the person started an exercise program. 
A)20 
B)54 
C)38 
D)30 
E)35

Quizplus · Accepted Answer

The weight of the person remained constant until age 30, which implies that the person was maintaining a consistent lifestyle. After age 30, the weight began to decrease gradually, indicating that the person started an exercise program around that time. Therefore, the age at which the person started the exercise program is 30.

The Graph Shown Gives the Weight of a Certain Person