Solve the problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk
= A
The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B. cost
Large Lot Small Lot
= B
Use matrix multiplication to find a matrix giving the comparative cost per item for the two purchase options.
A. 
B. 
C. 
D. These matrices cannot be multiplied.
Answer: C
You might also like to view...
Find the functions f and g so that F(x) = (f o g) (x).F(x) = 
+ 9
A. f(x) = 1/x, g(x) = 8/x + 9 B. f(x) = x, g(x) = 8/x + 9 C. f(x) = x + 9, g(x) = 8/x2 D. f(x) = 8/x2, g(x) = 9
Estimate the sum, difference, product, or quotient involved in the problem.An advertisement states that television sets are on sale at B&G Electronics. The prices are: 13-inch set, $147.99; 19-inch set, $208.95; 21-inch set, $231.99; 27-inch set, $289.97; 50-inch set, $519.97. About how many 13-inch sets can be bought with $2,619.42?
A. 21 television sets B. 20 television sets C. 18 television sets D. 16 television sets
Solve the problem.The sum of three numbers is -2. If the second number is subtracted from the sum of the first and third numbers, the result is 4. If the third number is subtracted from the sum of the first and second numbers, the result is 6. Find the three numbers.[Hint: let x represent the first number, y the second number, and z the third number. Use the given conditions to write and solve a system of equations.]
A. x = 6, y = -2, z = -6 B. x = 6, y = -3, z = -5 C. x = 3, y = -1, z = -4 D. x = 5, y = -3, z = -4
Factor.p4 - 13p2 + 40
A. (p2 - 8)(p2 - 5) B. (p2 - 40)(p2 - 1) C. (p2 - 8)(p2 + 5) D. p2(p - 8)(p - 5)