The temperature at sunset was - 3 ° f . during the night, the temperature decreased 10 degrees, and then increased 4 degrees in the morning. which expression represents the new temperature?

(-3 - 10 + 4)

-3 - 10 + 4

Step-by-step explanation:

It says, -3 F

Then During night decreased 10 deegrees

so -10

Then increased 4

for +4

correct answers below:

, 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