Question

Help pls I have 47 missing work please help

Answer 1

Step-by-step explanation

Since we have the given sequence:

Computing the differences of all the adjacent terms:

`d=a_n-a_(n-1)`
`10-5=5,\: \quad \: 12-10=2,\: \quad \: 14-12=2,\: \quad \: 19-14=5`

The difference is not constant, thus the sequence is not arithmetic.

b) Applying the same reasoning to the second sequence:

4.5, 9,18,36

Computing the difference of all the adjacent terms:

`9-4.5=4.5,\: \quad \: 18-9=9,\: \quad \: 36-18=18`

The difference is not constant.

Therefore, the sequence is not an arithmetic one.