Use the following table to fill in the blanks.

Values of $f(x)$

$x$	$0$	$2$	$4$	$6$	$8$
$f(x)$	$10$	$5$	$10$	$4$	$0$

a) $f(2) =$
b) $f(4) =$
c) $f($ $) = 4$
d) $f($ $)= 0$

Hint: