# Answer to Question #42498 in Calculus for shasha

Question #42498

A certain species of tree grows an average of 3.8 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 5 meters tall.

Help me please

Help me please

Expert's answer

In this case we have the arithmetic progression with the first term 5 and step 3.8.

The n-th term of this progression can be written as

a_n = a_1 + (n-1)d = 5+ (n-1)*3.8

where n is the number of weeks.

The n-th term of this progression can be written as

a_n = a_1 + (n-1)d = 5+ (n-1)*3.8

where n is the number of weeks.

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