CPM Homework Help : CCA Problem 5-87

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Home > CCA > Chapter Ch5 > Lesson 5.3.1 > Problem 5-87

5-87.

Write the first five terms of each sequence.

$t(1)=-3$
$t(n+1)=-2·t(n)$

Answer (a):
$-3, 6, -12, 24, -48$

$t(1)=8$
$t(n+1)=t(n)-5$

Hint (b):
Substitute $8$ for $t(n)$ in the second equation to find
$t(n + 1)$ , which is $t(2)$ .
$t(2) = (8) - 5$
$t(2) = 3$
Answer (b):
$8, 3, -2, -7, -12$

$t(1)=2$
$t(n+1)=(t(n))^{-1}$

Answer (c):
$2, \frac{1}{2}, 2, \frac{1}{2}, 2$

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