# For the sequence a_n = 4n + 5 how do you find the first five terms?

For the sequence ${a}_{n}=4n+5$ how do you find the first five terms?
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AKPerqk
${a}_{n}=4n+5$
We can find terms 1 to 5 by substituting n respectively in the expression.
${a}_{n}=4n+5$
So,
${a}_{1}=4\cdot \left(1\right)+5=9$
${a}_{2}=4\cdot \left(2\right)+5=13$
${a}_{3}=4\cdot \left(3\right)+5=17$
${a}_{4}=4\cdot \left(4\right)+5=21$
${a}_{4}=4\cdot \left(5\right)+5=25$