I would say a circle graph would be best to use
Answer:
The proportion would be 0.1
Step-by-step explanation:
Given, the function that shows the proportion of students in a psychology experiment who could remember an eight-digit number correctly for t minutes,

If t = 7 minutes,

Hence, the proportion that remembered the number for 7 minutes is 0.1 ( approx )
I think that the answer is A.
-2x5 is -10 and 6x5 is 30 so wouldn’t the scale factor be 5?