Provide an appropriate response.Suppose that you are solving a system of three linear equations in three variables by the row echelon method and you obtain the following augmented matrix. 
What row transformation would you perform next?
A. Multiply row 3 by - 
.
B. Add -19 times row 1 to -12 times row 3.
C. Add -19 times row 2 to row 3.
D. Add 
times row 2 to row 3.
Answer: C
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Provide an appropriate response.Let f(n) = 
- 
. What is f(n) approximately equal to as n gets large? Hint: Compute various examples on your calculator.
A. 
B. 
C. 
D. 
Let p represent the statement 7 < 8, let q represent the statement 2 < 5 < 6, and let r represent the statement 3 < 2. Find the truth value of the given compound statement.(~p ? q) ? ~r
A. True B. False
Graph the number along with its opposite and conjugate.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the problem.A company's cost for operating two warehouses is C(x, y) = 6x2 + 4x + 12y2 + 8y + 9, where x is the number of units in warehouse A and y is the number in B. Find the average cost to store a unit if A has 20 to 60 units, and B has 32 to 80 units.
A. $62,375 B. $98,650 C. $47,034 D. $89,560