The explicit rule for given sequence is:

Further explanation:
We have to determine first of all if the sequence is arithmetic or geometric.
- If the difference of two consecutive terms is same then the sequence is arithmetic sequence
- If the ratio of two consecutive terms is same then the sequence is geometric sequence
Given sequence is:
12,22,32,42

The common difference is 10 which is same for all consecutive terms. So the sequence is an arithmetic sequence.
The general formula for arithmetic sequence is:

Putting the values of a1 and d

The explicit rule for given sequence is:

Keywords: Arithmetic sequence, Common Difference
Learn more about arithmetic sequence at:
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Answer:
gzhausiaoa
Step-by-step explanation:
hshshsshhehehehehhdhdhdhdhhdhdhdfhfh
Y= -75x +1725
y= -75(20) +1725
y = -1500 + 1725
y= 225 = range
225= -75x +1725
225 - 1725= -75x
-1500=-75x
-1500/-75 = -75x/-75
x = 20 = domain
Answer:
c
Step-by-step explanation:
only 2 students were asked the question, 2 students don't represent the whole population
Answer:
C
Step-by-step explanation:
Proof by some contradictions:
D is not a good example because she does not pay anything upfront
B is not a good example because he pays <u>everything </u>upfront with some of the money from a third party
A is not right because the 500 is a security deposit, which is a different concept from a down payment
Therefore the answer should be C, where money is payed upfront and payed after he receives the product.