A certain species of tree grows an average of 3.1 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 400 centimeters tall.

Question

agent0smith · Answer

http://www.regentsprep.org/regents/math/algtrig/atp2/ArithG2.gif first term, a1, is 400, difference is week d, is 3.1

anonymous · Answer

Okay so it would be... an=400+(n-1)3.1 thats what i have so far

agent0smith · Answer

That's all you're asked. You can simplify the formula by distributing if you want.

anonymous · Answer

So thatt's it!
i get it basically i just neede to memorize the formulas

agent0smith · Answer

Yep, that's it :)

anonymous · Answer

Thank you ♥

agent0smith · Answer

Welcome ♥