Commission on Gold Purchases A brokerage firm charges 6 % commission on gold purchases in amounts from $ 50 to $ 30000 . For purchases exceeding $ 30000 , the firm charges 2 % of the amount purchased plus a $ 15 handling fee. Let x denote the amount of gold purchased (in dollars), and let f ( x ) be the commission charge as a function of x . Describe f ( x ) . Find f ( 3000 ) and f ( 4500 ) .
Commission on Gold Purchases A brokerage firm charges 6 % commission on gold purchases in amounts from $ 50 to $ 30000 . For purchases exceeding $ 30000 , the firm charges 2 % of the amount purchased plus a $ 15 handling fee. Let x denote the amount of gold purchased (in dollars), and let f ( x ) be the commission charge as a function of x . Describe f ( x ) . Find f ( 3000 ) and f ( 4500 ) .
Solution Summary: The author explains the function f(x) for the commission charged by using the given information.
Commission on Gold Purchases A brokerage firm charges
6
%
commission on gold purchases in amounts from
$
50
to
$
30000
. For purchases exceeding
$
30000
, the firm charges
2
%
of the amount purchased plus a
$
15
handling fee. Let
x
denote the amount of gold purchased (in dollars), and let
f
(
x
)
be the commission charge as a function of
x
.
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