CPM Homework Help : CAAC Problem 2-71

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Home > CAAC > Chapter 14 > Lesson 14.2.1.5 > Problem 2-71

2-71.

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

$t ( n ) = 5 n - 3$

Step (a):
$447=5n−3$
Answer (a):
$90=n$
Yes, $447$ is the $90^{th}$ term.

$t ( n ) = 24 - 5 n$

Answer (b):
No, $447$ is not a term of $t(n)$ .

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

Step (c):
$447=−6+3n−3$

$t ( n ) = 14 - 3 n$

Answer (d):
No, $447$ is not a term of $t(n)$ .

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

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