Answer
(a) $C=9+1.5x$
(b) $\$15$
Work Step by Step
(a) The cost consists of the flat cost of $\$9$ and the topping cost of $\$1.5$ per topping:
$C=9+1.5x$
(b) We have 4 toppings, so the cost is:
$C=9+1.5(4)=\$15$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Chapter P Test - Page 79: 1
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