Earnings Reynalda works as a salesperson in the electronics division of a department store. She earns a base weekly salary plus a commission based on the retail price of the goods she has sold. If she sells x dollars’ worth of goods in a week, her earnings for that week are given by the function E ( x ) = 400 + 0.03 x (a) Find E ( 2000 ) and E ( 15 , 000 ) . (b) What do your answers in part (a) represent? (c) Find E ( 0 ) . What does this number represent? (d) Find the net change and the average rate of change of her earnings E between x = 2000 and x = 15 , 000 . (e) From the formula for E, determine what percentage Reynalda earns on the goods that she sells.
Earnings Reynalda works as a salesperson in the electronics division of a department store. She earns a base weekly salary plus a commission based on the retail price of the goods she has sold. If she sells x dollars’ worth of goods in a week, her earnings for that week are given by the function E ( x ) = 400 + 0.03 x (a) Find E ( 2000 ) and E ( 15 , 000 ) . (b) What do your answers in part (a) represent? (c) Find E ( 0 ) . What does this number represent? (d) Find the net change and the average rate of change of her earnings E between x = 2000 and x = 15 , 000 . (e) From the formula for E, determine what percentage Reynalda earns on the goods that she sells.
Solution Summary: The author explains the function E(x)=400+0.03x, where x represents the number of copies printed.
Earnings Reynalda works as a salesperson in the electronics division of a department store. She earns a base weekly salary plus a commission based on the retail price of the goods she has sold. If she sells
x
dollars’ worth of goods in a week, her earnings for that week are given by the function
E
(
x
)
=
400
+
0.03
x
(a) Find
E
(
2000
)
and
E
(
15
,
000
)
. (b) What do your answers in part (a) represent? (c) Find
E
(
0
)
. What does this number represent? (d) Find the net change and the average rate of change of her earnings E between
x
=
2000
and
x
=
15
,
000
. (e) From the formula for E, determine what percentage Reynalda earns on the goods that she sells.
A research study in the year 2009 found that there were 2760 coyotes
in a given region. The coyote population declined at a rate of 5.8%
each year.
How many fewer coyotes were there in 2024 than in 2015?
Explain in at least one sentence how you solved the problem. Show
your work. Round your answer to the nearest whole number.
Answer the following questions related to the following matrix
A =
3
³).
Explain the following terms
Chapter 2 Solutions
Bundle: College Algebra, 7th + WebAssign Printed Access Card for Stewart/Redlin/Watson's College Algebra, 7th Edition, Single-Term
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