Grade 12 calculus. Multiple choice. Answer asap

Question 1 (1 point} Saved Below is the graph of x). For what values of x is x) increasing? fix} 3 2 1 1 2 3 4 5 7' _/;\ I I '\--' 3) ire3 ./-_\. I I '\--" b} Kai3 /"'\ l'\--"' C} 1 ex :3