Determine which sequence is an arithmetic sequence.

Question 13 options:

a)
–7, –3, 1, 5, ...

b)
1
5

,
1
7

,
1
9

,
1
11

, ...
15, 17,19, 111, ... {"version":"1.1","math":"15, 17,19, 111, ..."}

c)
3, 6, 12, 24, ...

d)
−10, 5, −
5
2

,
5
4

, ..

A is correct

Step-by-step explanation:

because the sequence is the 4 and 4

-7 + 4= -3

-3 + 4= 1

1 + 4= 5

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is symmetric about the line y = 120,000.

step-by-step explanation:

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents