A bookstore marks up the price of a book by 40% of the cost from the publisher. Therefore, the bookstore’s price to the student, P ( x ) ( in $ ) after a 7.5% sales tax, is given by P ( x ) = 1.075 ( x + 0.40 x ) , where x is the cost of the book from the publisher. Evaluate P ( 60 ) and interpret the meaning in the context of this problem.
A bookstore marks up the price of a book by 40% of the cost from the publisher. Therefore, the bookstore’s price to the student, P ( x ) ( in $ ) after a 7.5% sales tax, is given by P ( x ) = 1.075 ( x + 0.40 x ) , where x is the cost of the book from the publisher. Evaluate P ( 60 ) and interpret the meaning in the context of this problem.
Solution Summary: The author calculates the value of P(60) and interprets it. If the bookstore's price to the student is 60, then the total price of the book including sales tax
A bookstore marks up the price of a book by 40% of the cost from the publisher. Therefore, the bookstore’s price to the student,
P
(
x
)
(
in $
)
after a 7.5% sales tax, is given by
P
(
x
)
=
1.075
(
x
+
0.40
x
)
, where x is the cost of the book from the publisher. Evaluate
P
(
60
)
and interpret the meaning in the context of this problem.
Evaluate the following expression and show your work to support your calculations.
a). 6!
b).
4!
3!0!
7!
c).
5!2!
d). 5!2!
e).
n!
(n - 1)!
Amy and Samiha have a hat that contains two playing cards, one ace and one king. They are playing a game where they randomly pick a card out of the hat four times, with replacement.
Amy thinks that the probability of getting exactly two aces in four picks is equal to the probability of not getting exactly two aces in four picks. Samiha disagrees. She thinks that the probability of not getting exactly two aces is greater.
The sample space of possible outcomes is listed below. A represents an ace, and K represents a king. Who is correct?
Consider the exponential function f(x) = 12x. Complete the sentences about the key features of the graph.
The domain is all real numbers.
The range is y> 0.
The equation of the asymptote is y = 0
The y-intercept is 1
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