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A-66.

Determine whether $447$ is a term of each sequence below. If so, which term is it?

1. $t(n)=5n-3$

• $447=5n-3$

• $90=n$

• Yes, $447$ is the $90^{\text{th}}$ term.

1. $t(n)=24-5n$

• No, $447$ is not a term of $t(n)$.

1. $t(n)=-6+3(n-1)$

• $447=-6+3n-3$

1. $t(n)=14-3n$

• No, $447$ is not a term of $t(n)$.

1. $t(n)=-8-7(n-1)$