Solve the problem. Round your answer, if appropriate.A company determined that their marginal cost per item is given by C'(x) = 0.0006x2 - 0.4x + 95. Ignoring fixed costs, find the total cost of producing the 301st suit through the 400th suit.
A. $2900
B. $10,300
C. $2871.02
D. $6600
Answer: A
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Factor the expression completely, if possible.25s2 + 144t4
A. (5s + 12t2)2 B. (5s + 12t2)(5s - 12t2) C. (5s - 12t2)2 D. Does not factor
Solve the problem.Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of a pound of B grade tea and an afternoon tea that contains one half pound of A grade tea and one half pound of B grade tea. If Joely makes a profit of $1.50 on each pound of the breakfast blend and $2.00 profit on each pound of the afternoon blend, how many pounds of each blend should she make to maximize profits? What is the maximum profit?
What will be an ideal response?
Write an inequality involving the variable x that describes the set of numbers graphed.
A. x > 3 B. x ? 3 C. x ? 3 D. x < 3
Solve the rational equation.
= 1 + 
A. 
B. {10, 9}
C. {-10, 9}
D. {10, -9}