asmine drew a rectangle with an area of 4 square inches. Jasmine drew a new scaled version of the original rectangle using a scale factor of 5. What is the area, in square inches, of the new rectangle?

clock

step-by-step explanation:

the first one, all those points on the line just make a strait line.

34

step-by-step explanation:

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for