JEE Main 2019 Chemistry question

The standard reaction Gibbs energy for a chemical reaction at an absolute temperature T is given by , where A and B are non-zero constants. Which of the following is TRUE about this reaction?

• (A)Exothermic if B < 0
• (B)Endothermic if A > 0Correct
• (C)Exothermic if A > 0 and B < 0
• (D)Endothermic if A < 0 and B > 0