Answer:
b. y=19x
Step-by-step explanation:
Well, this is a broad question but I would say pie. Pie is used very early on in secondary school and therefore a lot of people already know about it and how to use it. But for example if your a banker E would be more important as banks use e to calculate interest.
Hope this helps, have a great day.
This sequence can be generated with this function, n being the nth member of the sequence:
f(n) = 0.25(n)
