# Decreasing 36183

Prove that the sequence {3 - 4. n} from n = 1 to ∞ is decreasing.

**Result**### You need to know the following knowledge to solve this word math problem:

**algebra**- arithmetic progression
- expression of a variable from the formula
**arithmetic**- comparing
**numbers**- natural numbers

#### Themes, topics:

### Grade of the word problem:

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