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Answer :
- Substitute $n=8$ into the function $f(n) = 7n - 3$.
- Calculate $7 Imes 8 = 56$.
- Subtract 3 from 56: $56 - 3 = 53$.
- The 8th term of the sequence is $\boxed{53}$.
### Explanation
1. Understanding the problem
We are given the function of an arithmetic sequence $f(n) = 7n - 3$. We need to find the 8th term of the sequence, which means we need to find the value of $f(8)$.
2. Substituting n=8
To find the 8th term, we substitute $n = 8$ into the function: $$f(8) = 7(8) - 3$$
3. Calculating f(8)
Now, we perform the calculation:$$f(8) = 56 - 3 = 53$$
4. Finding the 8th term
Therefore, the 8th term of the sequence is 53.
### Examples
Arithmetic sequences are useful in many real-life situations, such as calculating the cost of items with a fixed increase, predicting the number of seats in rows in a stadium, or determining the height of stacked objects where each object adds a constant height. Understanding arithmetic sequences helps in making predictions and planning in various scenarios.
- Calculate $7 Imes 8 = 56$.
- Subtract 3 from 56: $56 - 3 = 53$.
- The 8th term of the sequence is $\boxed{53}$.
### Explanation
1. Understanding the problem
We are given the function of an arithmetic sequence $f(n) = 7n - 3$. We need to find the 8th term of the sequence, which means we need to find the value of $f(8)$.
2. Substituting n=8
To find the 8th term, we substitute $n = 8$ into the function: $$f(8) = 7(8) - 3$$
3. Calculating f(8)
Now, we perform the calculation:$$f(8) = 56 - 3 = 53$$
4. Finding the 8th term
Therefore, the 8th term of the sequence is 53.
### Examples
Arithmetic sequences are useful in many real-life situations, such as calculating the cost of items with a fixed increase, predicting the number of seats in rows in a stadium, or determining the height of stacked objects where each object adds a constant height. Understanding arithmetic sequences helps in making predictions and planning in various scenarios.
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