An electronics store sells three models of tablets. The number of each model sold during "Black Friday" weekend is given in matrix A . The selling price and profit for each model are given in matrix B . (See Example 8) Model A B C A = 84 70 32 62 48 16 70 40 12 Friday Saturday Sunday Selling Price Profit B = $499 $200 $599 $240 $629 $280 A B Model C a. Compute A B and interpret the result. b. Determine the total revenue for Sunday. c. Determine the total profit for the 3 -day period for these three models.
An electronics store sells three models of tablets. The number of each model sold during "Black Friday" weekend is given in matrix A . The selling price and profit for each model are given in matrix B . (See Example 8) Model A B C A = 84 70 32 62 48 16 70 40 12 Friday Saturday Sunday Selling Price Profit B = $499 $200 $599 $240 $629 $280 A B Model C a. Compute A B and interpret the result. b. Determine the total revenue for Sunday. c. Determine the total profit for the 3 -day period for these three models.
Solution Summary: The author calculates the product of A and B, that is, AB. The first column represents the total revenue for Friday, Saturday, and Sunday.
An electronics store sells three models of tablets. The number of each model sold during "Black Friday" weekend is given in matrix
A
. The selling price and profit for each model are given in matrix
B
. (See Example 8)
Model
A
B
C
A
=
84
70
32
62
48
16
70
40
12
Friday
Saturday
Sunday
Selling
Price
Profit
B
=
$499
$200
$599
$240
$629
$280
A
B Model
C
a. Compute
A
B
and interpret the result.
b. Determine the total revenue for Sunday.
c. Determine the total profit for the
3
-day period for these three models.
In the xy-plane, the graphs of the linear
function and the exponential function E
both pass through the points (0,2) and (1,6)
The function f is given by
f(x) = L(x) - E(x). What is the maximum
value of f?
A
0.007
B
0.172
C
0.540
D 1.002
n
3
5
ст
7
ап
85
95
105
The table gives values of an arithmetic
sequence an for selected values of n. Which
of the following linear functions is
αρ
constructed from the initial value an (with
n = 0) and common difference of the
sequence?
A
f(x) = 70+5x
B
f(x) = 70+10x
C
f(x) = 75+5x
D
f(x) = 75+10x
3. Submit answer Practice similar
Calculate the integral approximation Se for
So
dz.
L-de
4
1.
Submit answer
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