Graph the inequality.y ? 4x 
A. 
B. 
C. 
D. 
Answer: D
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Solve.A calculator has a purchase price of $20. If the sales tax on this purchase is $1.70, find the sales tax rate.
A. 0.085% B. 0.078% C. 0.915% D. 8.5%
Determine the quadrant containing ?.tan ? > 0 and csc ? < 0
A. I B. II C. III D. IV
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 1, b = 7
A. c = 8
B. c = 
; c ? 7.071
C. c = 
; c ? 2.828
D. c = 
; c ? 6.928
A division of Ditton Industries manufactures a deluxe toaster oven. Management has determined that the daily marginal cost function associated with producing these toaster ovens is given by
?
?
where 
is measured in dollars/unit and 
denotes the number of units produced. Management has also determined that the daily fixed cost incurred in the production is $800. Find the total cost incurred by Ditton in producing the first 500 units of these toaster ovens per day. What is the total cost incurred by Ditton in producing the 401st through 500th units/day?
?
A. $8,300; $2,700
B. $8,100; $2,700
C. $8,300; $2,800
D. $8,100; $2,800