Left row 1. Supplementary 2.complementary 3 supplementary
Right row 1. Complementary 2 supplementary 3 supplementary
From the graph you can determine the first derivative by looking at the turning points. These are where the first derivative is zero.

Take derivative to get 2nd derivative and set equal to zero:

Solve for x:
Answer:
first one is A, second one is also A
Step-by-step explanation: