is an=4n+16 equal to any of these other options are an=16+(n-1)(4)
an=16+4n
an=20+(n)(4)
an=20+(n-1)(4)

Question

is an=4n+16 equal to any of these other options are an=16+(n-1)(4)
an=16+4n
an=20+(n)(4)
an=20+(n-1)(4)

jim_thompson5910 · Answer

Notice how

an=20+(n-1)(4)

turns into 

an=20+4n-4

jim_thompson5910 · Answer

what does that simplify to?

anonymous · Answer

16+4n... but doesnt that mean it could be the first or last option @jim_thompson5910

jim_thompson5910 · Answer

You mean the second and last?

anonymous · Answer

yes sorry @jim_thompson5910

jim_thompson5910 · Answer

You're right, the second and last options are the same. So perhaps you can choose more than one answer?

jim_thompson5910 · Answer

If you can, the answers are B and D

anonymous · Answer

well it says which ecxplicit formla corresponds with the simple so wouldnt you say D? @jim_thompson5910

jim_thompson5910 · Answer

Yes, D is the basic form you start with

jim_thompson5910 · Answer

Then with a bit of simplifying, it turns to B

So if you can only choose one, I'd go with D