See attachment for question, please help asap

You add on the equation like the example below

Step-by-step explanation:

The sequence is an arithmetic one with first term a1=−4 and difference d=2 . To calculate a9 we use the formula: an=a1+(n−1)⋅d. Here we have: a9=−4+(9−1)⋅2=−4+8⋅2=−4+16=12.

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.