For this case we have the following arithmetic sequence:

To write in function form, we apply distributive property to the terms within parentheses:

Different signs are subtracted and the major sign is placed.
We simplify:

Answer:

Option C
Answer:
hmmmmmm Okay From what question?
Answer:
most likely 5
Step-by-step explanation:
False
distance = square root [(x2−x1)^2+(y2−y1)^2]
Answer:
Step-by-step explanation:
-(-2 + 3x - 1/2) = -( -2 - 0.5 + 3x)
= -(-2.5 + 3x)
= -1*(-2.5) + (-1)*3x
= 2.5 - 3x
2.5 - 3x is not equivalent to 2.5 + 3x