Solve the linear system by using an inverse matrix.
A. {(8, 9, 5)}
B. {(-8, 5, 16)}
C. {(8, 5, 9)}
D. ?
Answer: C
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Estimate the answer to the problem.An appliance store sells 46 refrigerators a week. Without finding the exact amount, calculate the total amount of money the store makes in a week if each refrigerator costs $739.
A. $40,000 B. $28,000 C. $32,000 D. $35,000
Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = 
on 
divided into 5 subintervals
A. 
B. 
C. 
D. 
Rewrite the expression with a positive rational exponent. Simplify, if possible.
-1/3
A. - 
B. - 
C. 
D. 
Find the particular solution for the initial value problem. 
= 6x2 - 4x + 22; y(1) = 7
A. y = 6x3 - 4x2 + 22x - 17 B. y = 2x3 - 2x2 + 22x - 15 C. y = 2x3 - 4x2 + 22x - 13 D. y = 2x3 - 2x2 + 22x + 15