Solve the problem.A grocery store estimates that the weekly profit (in dollars) from the production and sale of x cases of soup is given by 
and currently 1100 cases are produced and sold per week. Use the marginal profit to estimate the increase in profit if the store produces and sells one additional case of soup per week.
A. $5.36
B. $5.52
C. $2453.00
D. $7.23
Answer: A
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Solve.A certain store has a fax machine available for use by its customers. The store charges $2.10 to send the first page and $0.60 for each subsequent page. Use an inequality to find the maximum number of pages that can be faxed for $6.90
A. at most 50 pages B. at most 9 pages C. at most 3 pages D. at most 12 pages
Solve.The temperature was 61°F in the morning, but it dropped 19°F in the afternoon and another 5°F in the evening. What was the temperature in the evening?
A. 37°F B. -47°F C. -37°F D. 47°F
Use the distributive property to rewrite the expression.5(5r + 6 + 2s)
A. 25r + 30 + 10s B. 25r + 30 + 2s C. 25r + 6 + 2s D. 25r + 6 + 10s
Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.
+ 
= -2
A. x = - 
, x = - 
B. x = - 
, x = 0
C. x = - 
, x = 
D. x = -2, x = - 