The answer is d because i just took a test and that was the answer
It's c.
for example:
2*2 +1 = 5
2*4 +1 =9
you can keep going ....
-7/4:-1.75
2/5:0.4
-1.75=0.4t
-1.75/0.4=t
-4.375=t
Hope I helped you well, have a victorious day!
Answer:A
Why: Because 3-6 reduces to 1-2