Provide an appropriate response.Do as indicated: $13,208 × 42 - $47 × 102 =
A. $55,468,900
B. $8.508
C. $550,036
D. $12.708
Answer: C
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Find the determinant.det 
A. 45 B. -45 C. 40 D. -50
Factor the polynomial.x2 - x - 72
A. (x + 9)(x - 8) B. (x + 1)(x - 72) C. (x + 8)(x - 9) D. prime
Find the power rounded to three significant digits.
A. 550 B. 55100 C. 550,436.667 D. 549,936.667 E. 550000
Solve the problem.The profit function for sales of two models of television sets at a chain discount store is given by 
where x is the number of sales per week of model A, and y is the number of sales per week of model B. Find 
and interpret the result.
A. 
At a sales level of 10 units of model A and 15 units of model B, increasing sales of model A by one unit and holding sales of model B at 15 units will increase profit by approximately $60
B. 
At a sales level of 10 units of model A and 15 units of model B, increasing sales of model A by one unit and holding sales of model B at 15 units will increase profit by approximately $80.
C. 
At a sales level of 10 units of model A and 15 units of model B, increasing sales of model A by one unit and holding sales of model B at 15 units will increase profit by approximately $140
D. 
At a sales level of 10 units of model A and 15 units of model B, increasing sales of model A by one unit and holding sales of model B at 15 units will increase profit by approximately $120