Determine whether the matrix is invertible by finding the determinant of the matrix.
A. Not invertible
B. Invertible
Answer: B
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Determine whether the relation is also a function.{(-8, -7), (-8, 9), (1, -6), (5, -4), (7, 5)}
A. yes B. no
Solve the problem.A bookstore is having a sale. All books included in the sale have a colored sticker on them to indicate the sale price. There are green stickers, red stickers, and orange stickers. Bob, Sue, and Fred each make purchases of books that are on sale. Each row of the table gives information about the numbers of book purchases and the total cost of the purchase (before taxes) . 
Use this information to set up a matrix equation of the form 
which can be solved to determine the price for each type of sale book. Solve this matrix equation to find the price
of a book with an orange sticker.Use the fact that for A = 
, A-1 = 
.
A. $5.20
B. $5.78
C. $4.95
D. $5.31
Divide.
÷ 
A. - 1
B. 
C. - 
D. - 34
Solve the problem.Find the exact value of each of the six trigonometric functions of the angle P. 
What will be an ideal response?