#### Answer

$f$;
$x$

#### Work Step by Step

RECALL:
$f(a)$ represents the value of the function $f$ when $x=a$.
Thus, the missing expressions in the given statement are:
$f$;
$x$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$f$;
$x$

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