#### Answer

$f(-1)= 1/8$
$f(2)= 8$
$f(3)= 32$

#### Work Step by Step

$f(x) = 1/2 * 4^x$
$f(-1) = 1/2 * 4^{-1}$
$f(-1) = 1/2 * 1/4 = 1/8$
$f(2) = 1/2 * 4^2$
$f(2) = 1/2 * 16 = 8$
$f(3) = 1/2 * 4^3$
$f(3) = 1/2 * 64 = 32$

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

$f(-1)= 1/8$
$f(2)= 8$
$f(3)= 32$

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